Evidence library

Lifestyle.

Lifestyle interventions include some of the library's most established ways to improve function and reduce disease risk. Their effects still depend on the specific behavior, population, dose, support, and outcome being measured.

8 evidence-ranked entries
Important limitations

What the evidence cannot settle yet

Long-term adherence is difficult to capture, intervention definitions vary, and lifespan associations are often observational even when trials support nearer-term health outcomes. A named diet or exercise style is not automatically superior to every practical alternative.

Safety themes

Risks depend on the intervention

Abrupt exercise progression, restrictive eating, medication changes, frailty, and underlying disease can alter risk. Gradual progression and individualized clinical or nutritional support matter when an intervention is intensive or a person is medically vulnerable.

Strongest current evidence

Strong evidence leads this category

Ratings compare confidence in each entry's stated benefit—not whether every intervention is appropriate or recommended.

How ratings work
Browse the evidence

Every lifestyle entry

Sorted from stronger to weaker evidence.

Open Aerobic Physical Activity
Strong
Lifestyle

Aerobic Physical Activity

Regular walking and other aerobic activity preserve mobility and cardiometabolic health, with the largest practical gain coming from moving out of inactivity.

Open Resistance Training
Strong
Lifestyle

Resistance Training

Progressive strength training reliably improves muscle strength and physical function across age, including in very old and frail adults.

Open Smoking Cessation
Strong
Lifestyle

Smoking Cessation

Stopping smoking improves health at any age, with unusually strong mortality evidence and effective combinations of behavioral and medication support.

Open DASH Eating Pattern
Strong
Lifestyle

DASH Eating Pattern

A flexible eating pattern rich in fruits, vegetables, legumes, whole grains, and low-fat dairy with strong evidence for lowering blood pressure.

Open Cognitive Behavioral Therapy for Insomnia
Strong
Lifestyle

Cognitive Behavioral Therapy for Insomnia

A structured, first-line insomnia treatment that produces durable improvements in sleep without relying on nightly sedative medication.

Open Mediterranean-Style Eating
Moderate
Lifestyle

Mediterranean-Style Eating

A flexible food pattern with randomized evidence for fewer cardiovascular events in high-risk adults, tempered by influential-trial limitations and variable definitions.

Open Tai Chi
Moderate
Lifestyle

Tai Chi

A low-impact mind-body exercise with credible evidence for improving balance and reducing falls in older adults, but no direct longevity proof.

Open Ketogenic Diet
Moderate
Lifestyle

Ketogenic Diet

A very-low-carbohydrate, high-fat eating pattern with an established specialist role in drug-resistant epilepsy and mixed, mostly short-term evidence for weight and metabolic outcomes.