Health
Research and discoveries about medicine, the human body and living healthier lives.
Latest in Health
A Flu Vaccine Built to Skip the Yearly Update
An experimental 'universal' flu vaccine made from four bird flu viruses was well tolerated and triggered broad antibody responses in its first human trial. Whether it actually protects against flu is still unknown.

A Cold Home Can Raise Your Blood Pressure
New Japanese hypertension guidelines bring together evidence that cold indoor temperatures push up blood pressure, especially on winter mornings, and recommend keeping homes at 18°C or warmer.

Ultra-Processed Diets Linked to Silent Brain Damage in Midlife
Brain scans of nearly 8 800 Canadian adults found that the heaviest eaters of ultra-processed food had 40% higher odds of hidden blood-vessel damage in the brain, years before any sign of memory problems.

Watching Live Glucose Readings Cut Blood Sugar in Type 2 Diabetes
In a randomized trial of 283 adults with type 2 diabetes not using insulin, wearing a continuous glucose monitor lowered HbA1c by 0.9 points more than routine care and added about five hours a day in the healthy range.

Your Blood Sugar May Depend on Who You Eat With
In an experiment with 108 adults, the same carbohydrate challenge raised blood sugar about 15% less when their romantic partner was present than when they were alone.

Microplastics in Water Make Their Own Cell-Damaging Chemicals
Plastic is supposed to be inert. But a Nature study finds that tiny plastic particles in water spontaneously produce reactive oxygen species, and the more reactive the particle, the more it damaged proteins and red blood cells in lab tests.

Stop Chasing the Perfect Workout Time
In a randomized trial of older adults, strength training at each person's strongest time of day built no more strength or muscle than training at their weakest time.
