Topic

Nutrition & Diet

What to eat: dietary patterns, gut health, what processed food and drink do, and how diet tracks the diseases people most want to avoid.

A pile of striped sunflower seeds on a white surface.

Blood linoleic acid tracked with 25% less leg artery disease across 9 cohorts of 137,704 adults

Oct 21, 2026

An empty white plate on a teal plate with a fork and knife on a matching teal background.

Time-restricted eating added no weight loss to an equal calorie cut in a 100-person severe obesity trial

Oct 21, 2026

A bowl of salad with rocket, feta, olives, chickpeas and tomato, with olive oil and lemon behind it.

New US dietary guidelines showed no clear mortality link in 17,855 Spanish adults; a Mediterranean diet did

Oct 20, 2026

Overhead view of children's hands around a table with cucumber slices, fruit, bananas and bottled drinks.

Sugary-drink program at Boys & Girls Clubs trimmed BMI gains in a trial of 437 children

Oct 19, 2026

Overhead view of a plate of potatoes, sliced steak and tomato in a creamy sauce, with a glass salt shaker beside it.

Adding salt to food linked to higher osteoporosis risk, 32% higher in those who always did

Oct 19, 2026

Two slices of toast spread with peanut butter on a white plate, one topped with sliced banana and one with dark berry jam.

Ultra-processed meal raised insulin more than a matched meal, in a trial of 57 healthy-weight adults

Oct 16, 2026

Overhead view of hands passing a board of grilled vegetables across a table set with salads, peaches and apples.

Mediterranean lifestyle linked to 30% lower death rate in 105,812 Dutch adults, across income levels

Oct 16, 2026

A speckled ceramic bowl heaped with blueberries on a dark surface, with a few loose berries around it.

Blueberries showed no link to heart attacks or strokes in 38,088 women over 28 years

Oct 16, 2026

Overhead view of a wooden board of sliced sausage, bacon, ham and salami with cherry tomatoes and garlic on burlap.

Ultra-processed food showed no link to colorectal cancer in 461,682 older US adults

Oct 16, 2026

Two white plates seen from above on an orange surface, one of raw vegetables and one of nuts, beans, seeds and grains.

Plant-based eating was not linked to stroke in 14,776 US adults, and results for heart disease were mixed

Oct 14, 2026

Six unlabelled glass bottles of milk stand in two groups of three on a brick windowsill, in black and white.

Raw milk: what the evidence says about its risks and claimed benefits as US pediatricians call for a ban

Oct 12, 2026

A wooden table seen from above with sliced eggplant, tomatoes, onions, garlic, leafy greens and bowls of grains and chopped nuts.

Heart attack survivors with the healthiest diets had death rates 23% to 34% lower over an average 16 years

Oct 9, 2026

A person lies curled on a sofa with both hands pressed to the abdomen, face out of frame.

Fecal transplant did no better than placebo for irritable bowel syndrome in a 450-person trial

Oct 9, 2026

A small brown mouse eats from a white dish piled with sunflower seeds and grain.

A ketogenic diet sped up small-intestine tumors in cancer-prone mice and slowed them in the colon

Oct 9, 2026

A jug of milk, a bowl of butter cubes, two brown eggs, half a lemon and a bowl of flour with a cracked egg, seen from above on a white counter.

Dairy trans fats explained: what a review of 22 studies found, who paid for it, and what the WHO says

Oct 9, 2026

Dark cola pouring into a glass and splashing over the rim, in front of a tiled wall.

Diet drinks and weight loss: what trials show when they are compared with water and with sugary drinks

Oct 6, 2026

Two plain white drink cans on a white surface, one opened with a black straw in it.

Energy drinks and children: what the evidence shows on caffeine, sleep, behavior and the heart

Oct 6, 2026

Blood sample tubes with red caps scattered across a bright blue surface.

New guidelines raise the ferritin cutoff for iron deficiency to 30 ng/mL in adults and 50 with heavy periods

Oct 6, 2026

Bowls and measuring cups of grains, lentils, chickpeas and wild rice arranged on a white surface, seen from above.

Fiber explained: what the evidence shows on the heart, cholesterol and digestion, and where it stops

Oct 6, 2026

An empty drinking glass standing on a stack of yellow plates on a dark table, lit from one side.

Prolonged fasting explained: what seven days without food does to weight, muscle and the body's proteins

Oct 6, 2026

A steaming glass mug of tea with a spoon in it, beside a glass jar of white sugar cubes with the lid leaning against it.

Added sugar and health: what the evidence shows on weight, heart disease and teeth, and what guidelines say

Oct 4, 2026

A single stemmed glass of amber beer on a wooden table in a dimly lit bar.

Moderate drinking and mortality: why the apparent benefit of a daily drink fades in better studies

Oct 4, 2026

Two sticks of butter on a wooden plate, with a hand cutting a piece from one of them with a knife.

Saturated fat and heart disease: what the trials show, why studies disagree and what guidelines say

Oct 4, 2026

A breakfast table seen from above, with a fried egg, buttered toast, bread rolls, sliced sausage and coffee.

Breakfast and weight: what trials show about eating or skipping the 'most important meal of the day'

Oct 2, 2026

A raw steak on a wooden board beside rosemary, a bulb of garlic and coarse salt.

Red meat and health: what the evidence shows for cancer, heart disease and diabetes, and how strong it is

Oct 2, 2026

A cook in a white jacket pouring oil from a glass into a hot pan in a kitchen.

Seed oils: what they are, what the linoleic acid evidence shows and where the claims run ahead

Oct 2, 2026

Potato chips, tortilla chips around a bowl of dip and a tray of fries on a table, seen from above.

Ultra-processed food linked to higher rates of seven chronic conditions in 51 studies of 8.8 million adults

Oct 2, 2026

A person in an apron adding sliced radishes to a glass jar on a kitchen counter.

Fermented foods and gut health: what yogurt, kefir, kimchi and kombucha have been shown to do

Oct 1, 2026

Glass bowls of yogurt on a table, one mixed with chopped strawberries.

Full-fat or low-fat dairy: what trials and long-term studies show about weight, cholesterol and the heart

Oct 1, 2026

Almonds, pecans and other mixed nuts scattered on a pale surface.

Nuts and heart health: what studies of 1.9 million people show, how many nuts and how sure the evidence is

Oct 1, 2026

An older man with a gray beard raising two dumbbells outdoors, with pine trees behind.

Vegetarian diet built muscle in over-55s who lifted weights, but less than a meat diet in a 108-person trial

Oct 1, 2026

A cup of black coffee on a saucer, seen from above.

Is coffee good for you? What the evidence shows

Sep 29, 2026

Rows of brown eggs in a cardboard tray.

Are eggs bad for your heart? What the research shows

Sep 29, 2026

A person pouring water from a glass carafe into a ridged glass.

How much water do people need each day? What the research shows

Sep 29, 2026

A clear glass bottle of oil beside garlic, lemongrass and vegetables being prepared.

Is olive oil good for your heart? What the research shows

Sep 29, 2026

A close-up of a pile of ripe bananas.

Potassium and blood pressure: why experts now want more of it, not just less salt

Sep 26, 2026

Tortilla chips in an open snack bag, close up.

Ultra-processed food and prostate cancer: a 30% higher risk signal in US survey data, and its limits

Sep 26, 2026

A tray of thinly sliced cured ham at a deli counter

Common food preservatives went with more high blood pressure, in 112,395 French adults over eight years

Sep 23, 2026

Seeded wholemeal loaves and slices on a cloth on a wooden table

Whole grains nudged weight, cholesterol and blood pressure down across 87 randomized trials

Sep 23, 2026

A baby in a high chair being fed from a spoon while holding a spoon of their own

Egg allergy fell in Melbourne babies after guidelines moved egg earlier, in tests of 7,209 infants

Sep 22, 2026

A pregnant woman preparing a salad at a sunny kitchen counter

Eating lots of eggs and peanuts in pregnancy did not prevent infant allergy, in a 2,137-woman trial

Sep 22, 2026

Fresh vegetables on a supermarket checkout counter beside a card reader and a red basket

Soda sales fell about 40% after Berkeley cleared sugary drinks from store checkouts, but candy sales did not

Sep 22, 2026

A whole baked fish with cherry tomatoes, olives, lemon and basil in a cast-iron pan, beside a slice of bread

A Mediterranean diet went with half the risk of rheumatoid arthritis over 15 years, in 15,874 adults

Sep 22, 2026

An older couple smiling as they share a tray of fresh microgreens in a bright kitchen

Protein-rich Mediterranean eating improved nutrition and thinking scores in 105 at-risk older adults

Sep 22, 2026

A tipped-over glass salt shaker with a checked lid spilling coarse salt onto a wooden board

Higher salt intake went with more psoriasis and inflammatory joint disease, in 468,673 UK adults

Sep 22, 2026

Two pairs of hands holding a plate of tofu cubes, dried lentils and beans, and a red chili

A vegan switch shrank thigh muscle in older adults within 12 weeks; strength training halved the loss

Sep 22, 2026

A woman in an apron chopping vegetables at a kitchen counter by a window

Midlife diet did not shift the age when menopause arrived, in a study of 1,972 Canadians

Sep 21, 2026

A pan-seared white fish fillet served with broccoli and brussels sprouts on a dark plate

Seafood and omega-3 intake showed no link to hearing in 13,908 Japanese adults aged 50 to 79

Sep 21, 2026

A bottle of dark soda with no label, beside a bowl of potato chips on a wooden table

Sweets, not ultra-processed food in general, tracked with kidney stones in 366 people in Tehran

Sep 21, 2026

A glass of beer on a bar counter in afternoon light, empty glasses lined up beyond it

Drinking water between drinks did not touch hangover symptoms in a 13-person experiment

Sep 21, 2026

A glass of water beside a plated meal, with someone eating at the same table

People who drank more water with a meal ate more of it, not less, across 86 video-recorded lunches

Sep 21, 2026

Kimchi served in a white bowl on a wooden table

A bacterium from kimchi stuck to nanoplastics and doubled how much mice passed in their droppings

Sep 18, 2026

Two hands cupping a bowl of vegetable and chicken soup

Feeding malnourished older inpatients properly tracked lower death rates and shorter stays

Sep 16, 2026

A small white mouse cupped in a pair of hands

Cutting one amino acid from the diet made mice healthier, and only the males lived longer

Sep 16, 2026

Glazed roast poultry beside a swirl of hummus topped with whole chickpeas and a handful of salad greens in a blue bowl

MYTH diet score tracked 21% lower aging-related death risk, level with an older healthy-eating index

Sep 14, 2026

Close-up of an uncooked pizza topped with sliced ham, salami, black olive rings and sweet corn over grated cheese

Ultra-processed diets tracked with 40% more type 2 diabetes in 25,214 Australian adults

Sep 14, 2026

A bowl of salad with cucumber ribbons, blueberries and radish

Feeding adults with type 2 diabetes a DASH-style diet lowered three separate blood sugar markers

Sep 8, 2026

A plate of sliced chicken, boiled eggs, broccoli and carrots

Extra protein failed to build muscle in cancer patients whose inflammation was already high

Sep 8, 2026

A plate divided into sections of beans, lentils, chickpeas, peanuts, walnuts and seeds

Vegan children were shorter and had lower growth-hormone markers than vegetarian peers

Sep 8, 2026

A toddler in a high chair reaching for food in a divided tray

Shifting nursery menus plant-forward sped up bone turnover in young children

Sep 7, 2026

A baby drinking from a bottle held by a parent

Expressing milk before birth more than doubled exclusive breastfeeding after gestational diabetes

Sep 6, 2026

A plate of asparagus, tomatoes and poached egg beside fresh kale

B vitamins tracked slightly less breast cancer, but not in women drinking more than a glass a day

Sep 6, 2026

A cooked meal of chicken and vegetables in a clear container

Meals built from traditional foods cut heart failure hospital visits by more than a quarter

Sep 6, 2026

A block of butter and a wooden knife on a ceramic plate

Saturated fat tracked 24% more deaths after prostate cancer, but not from the cancer

Sep 4, 2026

Two children playing with a stack of wooden blocks on a rug

Growing up alongside a sibling with Crohn's tracked four times the risk of getting it

Sep 4, 2026

Two people's hands resting on a wooden table beside two glasses of red wine

Moderate drinking tracked lower heart risk and higher cancer risk in the same 438,442 people

Sep 2, 2026

A dense mass of pastel-colored sugar sprinkles filling the frame

Three additive types tracked about 45% more depression; five others tracked nothing

Sep 2, 2026

An overhead view of a bowl of whole food beside a bottled liquid drink on a dark surface

A whole-food exclusion diet put 69% of Crohn's patients into remission across 17 studies

Sep 1, 2026

A stone mortar surrounded by dried chillies, tomato, onion and garlic in warm light

Four healthy eating patterns each tracked about 12% less acid reflux across 183,878 adults

Sep 1, 2026

A wicker basket of tomatoes, squash and mixed vegetables on a checked cloth

Every extra 100g of fruit and vegetables a day after diagnosis tracked 9% fewer bladder cancer recurrences

Sep 1, 2026

A board of salmon, meat, boiled eggs, avocado, cheese and salad leaves

A ketogenic diet did 2 to 3 times more for liver insulin sensitivity at matched weight loss

Sep 1, 2026

A table laid with grilled fish, salad and small mezze dishes

The best diet-and-sleep combination tracked 43% less lung cancer across 192,034 people

Sep 1, 2026

Onions, garlic, ginger and halved oranges arranged on a board against a dark background

A microbiome-guided diet held its IBS benefit at a year, while low-FODMAP relapsed

Sep 1, 2026

A glass mug of tea beside sugar cubes and candy-coated sweets on a dark surface

The sweetener in your sugar-free label is also made by your body, and its level tracks insulin resistance

Aug 31, 2026

Large bowls of dried beans and pulses on a market stall

Plant-based low-carb eating tracked 15% less dementia over nine years, whatever the genetic risk

Aug 30, 2026

Four dark bowls holding oats, buckwheat, wild rice and split peas, with rice and lentils spilling from brass spoons on a pale stone surface

Viscous soluble fiber eased constipation on the strongest evidence in 17 trials of 1,423 adults

Aug 26, 2026

A dark bowl of mixed nuts, cashews, almonds, hazelnuts and peanuts, shot from above on a dark stone surface

Nuts tracked 26% lower risk of high blood pressure across 8 studies and 20,665 cases

Aug 26, 2026

A close-up of whole almonds mixed through rolled oats, seeds and grains

The Portfolio diet tracked 10% lower death risk across 513,284 people in four cohorts

Aug 26, 2026

A wooden spoon holding a heaped mound of pale powder above a red bowl

Psyllium showed the clearest benefit for irritable bowel syndrome across 30 trials

Aug 18, 2026

A hand holding chopsticks over a bowl of greens, noodles and tofu, with avocado and lime beside it

A China-adapted planetary diet tracked 14% lower deaths

Aug 17, 2026

A herb-topped salmon fillet on a plate beside a portion of white rice

More fish was not better: the lowest deaths sat mid-range

Aug 14, 2026

A dark table crowded with small bowls and plates of rice, soup and side dishes, teacups around the edge

Late dinners and skipped breakfasts tracked dementia risk

Aug 9, 2026

A dense field of brightly colored candy-coated sweets in red, blue, green, yellow and black

Four ultra-processed ingredients tracked high blood pressure

Aug 8, 2026

An overhead plate of bread, anchovies, olives and salad leaves

Mediterranean diet beat low-fat on 20-year heart risk

Aug 6, 2026

An overhead breakfast table with a plate of fruit and a hand holding a fork

Semaglutide kept cutting calories after hunger relief faded

Aug 6, 2026

A wooden bowl of oats and puffed cereal topped with blueberries and blackberries

Anti-inflammatory diet linked to longer life after cancer

Aug 4, 2026

A woman in a grey hooded top jogging through a city park in early spring

Diet and exercise cut disease risk whatever the scale says

Aug 4, 2026

Salt and pepper shakers casting long shadows across a dark table

Who benefits from cutting salt varies 15-fold

Aug 2, 2026

Two women at a dark table with glasses of red wine and a lit candle

Cutting alcohol in midlife showed no breast cancer benefit yet

Jul 31, 2026

An espresso in a blue and white cup on weathered wood beside coffee beans

Coffee tracked higher total testosterone but lower free testosterone

Jul 31, 2026

Three glass jars of dried beans, lentils and rice on a wooden counter

A plant-based pattern cut 20-year heart disease risk by 26%

Jul 31, 2026

A person pouring red wine into a glass beside a bunch of grapes

Heavy drinking and obesity both raised diabetes risk, separately

Jul 29, 2026

A bowl of stir-fried vegetables over rice with chopsticks resting alongside

The traditional Chinese diet tracked with fewer deaths, more obesity

Jul 29, 2026

Volunteers in matching sweatshirts packing boxes of fresh food

Food insecurity tracked with missed cancer screening

Jul 29, 2026

A wooden spoon of coarse salt resting on a scattering of salt crystals

Salt tracked with diabetes risk, measured in urine

Jul 29, 2026

Stripes of buckwheat, rice and rolled oats filling the frame

Hitting the wholegrain target tracked with less breast cancer

Jul 29, 2026

Fresh vegetables and herbs spread across a wooden table

Plant-based only helped if it wasn't ultra-processed

Jul 28, 2026

A shopper reaching for a watermelon at an outdoor produce stall with chalked prices

What blocks nutrition security: time, transport and cost

Jul 27, 2026

A person holding a printed cafe menu at a table

Climate labels on menus shifted what 10,000 people ordered

Jul 26, 2026

A hand holding a glass of dark cola filled with ice cubes

Sugary drinks tied to liver cancer; diet versions were not

Jul 26, 2026

An empty plate and cutlery set out on a wooden table

Time-restricted eating matched a dietitian, then drifted

Jul 26, 2026

A glass of red wine on a cafe table beside water glasses

Alcohol tied to cancer risk below one drink a day

Jul 23, 2026

Bowls of white and brown sugar cubes with serving tongs on a cafe stand

Artificial sweeteners linked to worse blood-sugar control

Jul 23, 2026

A glass jar of sauerkraut with a fork lifting out a forkful

Does sauerkraut fight inflammation? A trial says mostly no

Jul 23, 2026

A red mug of black coffee on a wooden cafe table

What coffee does to your gut and mood, beyond the caffeine

Jul 22, 2026