The library
Every summary is open access — free to read in full.
Nutrition
Ultra-processed foods and long-term health: what we know so far
Eating more ultra-processed foods is linked to higher risk of heart disease, type 2 diabetes and depression.
Early evidenceStudy: Feb 2024
Sleep
Going to bed at the same time may matter as much as how long you sleep
People with the most regular sleep timing had a lower risk of early death than those with irregular schedules.
Moderate evidenceStudy: Jan 2024
Exercise
You may need fewer daily steps than you think
Benefits for living longer start at around 2,500–4,000 steps a day and keep growing with more.
Moderate evidenceStudy: Aug 2023
Heart
A Mediterranean-style diet linked to lower heart risk in women
Women who ate a Mediterranean-style diet had about 24% lower risk of heart disease.
Moderate evidenceStudy: Mar 2023
Screening
Why bowel cancer screening now starts at 45 in some countries
Bowel cancer is rising in younger adults, and screening from 45 can catch it earlier.
Strong evidenceStudy: May 2021
Brain
Treating high blood pressure may protect your memory
Lowering high blood pressure was linked to a lower risk of dementia and memory problems.
Strong evidenceStudy: Apr 2020