Latest issue
Strokes are rising in younger adults, and the cause is still unclear
Plus: brown fat found on 100,000 old scans, and what's inside 'ultra-processed' when it comes to colon cancer.
Reference Range Weekly
Our weekly newsletter on what is new in health research, explained for curious readers and linked to the original studies. One email a week.
Previous issues
Issue 3 ·
A 194-year-old tortoise, and why a vaccine floors some people
Plus how common pain is at every age, and a supplement put to a placebo test.
Issue 2 ·
Sugar on antibiotics, a valve that grows, and the age of your voice
Plus: what a two-year hearing-aid trial did and did not show about dementia.
Issue 1 ·
Your sleep score, a one-time cholesterol edit, and coffee beyond caffeine
What sleep stages may reveal, why mammogram estimates differ, and a close look at coffee’s gut-brain puzzle.