Fitness & Exercise

Cardio & intervals

A trainer steadies a woman as she balances on one leg with a knee raised in a bright studio.

Exercise prompt in health records linked to 9% fewer falls in a trial of 11,945 older primary care patients

Oct 21, 2026

Two teenagers in running vests run away from the camera down a dirt country road.

Coached home exercise sped concussion recovery over stretching in a trial of 210 teens

Oct 20, 2026

Two older adults walking briskly away from the camera along a leaf-covered path lined with trees.

Brisk activity tracked with 32% lower cardiovascular risk in 5,186 Dutch adults wearing thigh accelerometers

Oct 19, 2026

A person in a yellow top walks past concrete park steps with a rolled exercise mat on one shoulder and a water bottle.

Exercise in bouts of 10 minutes or more tracked with better endurance at the same weekly total

Oct 16, 2026

An older person with grey hair, dressed in black, kneels barefoot to unroll an exercise mat in a bright studio.

Higher fitness tied to lower breast cancer risk in 15,199 women, including those at high genetic risk

Oct 16, 2026

Three children seen from behind run hand in hand across a schoolyard toward a playground, casting long shadows.

Brisk activity tied to slightly lower insulin and blood fats in 12,874 children

Oct 16, 2026

The lower legs and black trainers of a person walking on a dark treadmill belt, seen from above.

Adding treadmill fitness to standard risk factors sharpened 10-year death-risk estimates in 562,234 adults

Oct 14, 2026

Three cyclists in helmets and dark jackets ride in a line along a road through a pine forest.

Exercise linked to 22% lower odds of atrial fibrillation, with higher odds only at very high training loads

Oct 14, 2026

A person in a cap, pink shirt and shorts walks away along a tree-lined park path with a backpack and a walking stick.

More active people with Parkinson's did better over time on thinking and movement tests in a 294-person study

Oct 12, 2026

An older couple walks along a tree-lined path beside a lake.

Interval walking explained: what trials show about the three-minute fast, three-minute slow routine

Oct 6, 2026

Several people with backpacks and bags walking away along a path beside a wire fence, under trees.

Exercise for depression: what 218 mostly weak trials show about walking, yoga and strength training

Oct 4, 2026

Two cyclists riding up a curving hill road beside a guardrail and a speed limit sign.

Vigorous activity tied to lower death risk at 12 minutes a week, the same as 150 moderate minutes

Oct 4, 2026

A person in a dark coat walking along a brick path in a park under tall trees.

Physical activity with coronary heart disease: 150 minutes a week linked to 38% lower death risk

Oct 2, 2026

The legs of a runner on a park path, seen from behind, with the sole of one shoe lifted.

Heel strike or forefoot: running footstrike made no difference to injury risk in 738 runners

Oct 2, 2026

A cyclist riding along a quiet road past a white house, with forest and mountains behind.

Zone 2 training: what it is, what studies of easy endurance exercise show and what is still unproven

Oct 2, 2026

Two swimmers shoulder-deep in a lake edged with ice, beside a ladder into the water.

Cold-water immersion: what ice baths do for sore muscles, strength gains and general health

Oct 1, 2026

A gloved hand holding two tubes of blood against a plain beige background.

Regular exercise was linked to more alert immune cells in a blood study of 86 young adults

Oct 1, 2026

The legs of a person walking on a treadmill in a row of gym machines.

Exercise for weight loss: what 116 trials show, why the scale moves slowly and where exercise helps most

Oct 1, 2026

A tennis player preparing to serve on a sunlit clay court, seen from above.

Heat slowed Grand Slam tennis and favored older players in a 26-year study of 13,081 men's matches

Oct 1, 2026

A person in a white T-shirt with a towel over one shoulder, breathing hard while gripping the handles of a gym machine.

Sprint intervals changed 714 blood proteins in 19 young men, against 7 after a 90-minute ride

Oct 1, 2026

A person in a blue jacket walking on a treadmill in a gym.

VO2 max: what it measures, how it changes with age and what it says about long-term health

Oct 1, 2026

A person on hands and knees in a yoga pose on a mat in a bright room with tall windows.

Yoga for chronic low back pain: what 21 trials show and how it compares with other exercise

Oct 1, 2026

A woman in a red top stretching in a child's pose on a blue exercise mat.

Modest amounts of exercise eased chronic back pain in 239 trials, with little extra from more

Sep 29, 2026

Three older women holding rolled exercise mats in a bright studio.

Exercise programs during cancer care tied to longer survival in 21 randomized trials

Sep 29, 2026

A man sprinting forward from a crouch on a blue running track.

HIIT sessions of about 11 minutes delivered most of the fitness gain in 69 trials

Sep 29, 2026

A runner's legs and white shoes on a sunlit park path, seen from behind.

Is running bad for your knees? What the research shows

Sep 29, 2026

A woman sitting in an office chair at a desk with a computer, looking at the camera.

Is sitting bad for your health? What the research shows

Sep 29, 2026

Two people in canvas sneakers walking across a sunlit street.

How many steps a day are linked to better health? What the research shows

Sep 29, 2026

A man stretching his leg on a railing outdoors, holding his ankle.

Does stretching prevent injuries or muscle soreness? What the evidence shows

Sep 29, 2026

Runners in a city marathon moving along a wide road, with spectators at the roadside

The body's own cannabis-like chemical climbed steadily through a marathon, in blood drawn every 14 km

Sep 22, 2026

Two people in jeans walking along a pavement, seen from behind at ankle height

How fast you walk mattered alongside how far, in wrist-tracker data from 64,743 adults

Sep 22, 2026

Two students working together at a library desk with a laptop and an open textbook

University students sat more and moved less than people in their 70s, in smart-ring data from 1,967 adults

Sep 22, 2026

A woman in a red coat climbing an outdoor staircase, seen from behind

Four one-minute bursts a day were doable for 12 weeks, but only sit-to-stand improved in 69 adults

Sep 21, 2026

An older woman stretching on a mat at home in front of a laptop

Three months of online exercise classes lifted mood in midlife but left the memory test unchanged

Sep 18, 2026

An older woman jogging along a tree-lined park path on a sunny day

Brisk walking or jogging showed some of the clearest bone benefits for over-40s in a review of 124 trials

Sep 17, 2026

An older man in a teal running shirt jogging along a rural track, with fields and low buildings behind him

High midlife fitness tracked 31% lower dementia risk, independent of coronary artery calcium

Sep 14, 2026

A woman and a gray-haired man with trekking poles and loaded backpacks standing on a misty hillside trail

Weekend warrior exercise tracked 36% lower death risk in adults with two or more cardiometabolic conditions

Sep 14, 2026

A cyclist riding along a city street with the background blurred by motion

Fitter 46-year-olds cost the Finnish health system 11% less a year, and grip strength mattered too

Aug 30, 2026

A pregnant woman holding a standing yoga pose while an instructor demonstrates in front of her

Supervised exercise in pregnancy cut gestational diabetes risk by a quarter across 19 trials

Aug 28, 2026

A man walking up a wide flight of public stone steps, seen from behind

Stair climbing tracked 39% fewer heart disease deaths across 480,479 people

Aug 24, 2026

A woman running along a path beside long grass and willow trees

Exercise delayed ovarian aging. In mice, not in women.

Aug 17, 2026

A clinician in a white coat looking through an eye examination device in a clinic

Moderate exercise tracked 21% less cataract, more did not

Aug 16, 2026

A man in a green zip-up jacket running on a treadmill in a gym

A blood pressure spike on the treadmill depends on fitness

Aug 14, 2026

An older woman with grey hair jogging along a path beside a river

Inherited blood pressure risk tracked dementia in women only

Aug 9, 2026

Two people running side by side along a path through a meadow of white wildflowers

Weekend workouts tracked bone health as well as daily ones

Aug 8, 2026

Adults holding weighted hoops in an exercise class in a brick hall

The exercise that protects muscle depends on your frailty

Aug 6, 2026

Someone running through an agility ladder on outdoor turf beside an exercise ball

Intervals ranked best for belly fat, but more was not better

Aug 4, 2026

A woman working while standing at a desk beside a bright window

Walking breaks every 30 minutes worked best. Nobody kept it up.

Aug 2, 2026

A crowd of legs mid-stride walking along a city pavement

High genetic risk plus few steps tripled heart disease risk

Aug 2, 2026

A rack of hexagonal dumbbells arranged by weight in a gym

Light weights to failure grew more muscle than heavy ones

Aug 1, 2026

A woman performing a barbell squat in an empty gym

Weight training eased depression. So did the fake version.

Aug 1, 2026

An older man in a race bib running along a country road

Arriving at 70 fit mattered more than getting fit after

Jul 29, 2026

A person sitting cross-legged on a sofa at night holding a bowl, lit by a television

Sitting tracked with liver disease, not just heart disease

Jul 29, 2026

A teenager lining up a shot with a basketball on an outdoor court

Exercise eased low mood in teens, and the EEG showed why

Jul 29, 2026

Legs mid-stride walking briskly along a sunlit dirt path

Walking tracked with less dementia, nearly as much as running

Jul 29, 2026

Lane ropes across a bright indoor swimming pool

Swimming beat advice alone for chronic back pain

Jul 28, 2026

A man pulling hard on the handle of a rowing machine in a gym

Interval training changed brain structure in cannabis users

Jul 27, 2026

A man riding a stationary exercise bike in a gym

Exercise improved arteries where liraglutide did not

Jul 26, 2026

An older man jogging along a paved path through a green meadow

High-impact exercise did not wreck knees with osteoarthritis

Jul 26, 2026

A woman pressing a pair of dumbbells overhead on a gym bench

Resistance training in midlife tied to 42% less diabetes

Jul 26, 2026

An older bearded man lifting a dumbbell at an outdoor gym

Exercise kept older muscle young at the molecular level

Jul 25, 2026

A man running outdoors across an open field

A blood 'fitness signature' tracked much lower death risk

Jul 24, 2026

A person riding a fan-wheel exercise bike in a darkened gym

HIIT cut fat and held muscle in older adults, but barely

Jul 17, 2026