Nutrition & Diet

Food & disease risk

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

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

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

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 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

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

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

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 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

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

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 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

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

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 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 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 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 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

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 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

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

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

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

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 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

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

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

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

Does sauerkraut fight inflammation? A trial says mostly no

Jul 23, 2026