HealthToo much or too little: How much sunlight do we really need?

People who avoided sunlight had twice the all-cause mortality rate of those exposed to the most sun. By contrast, using sunbeds was associated with higher overall mortality and higher cancer mortality. The findings point to risks linked both to avoiding sunlight and to artificial tanning.

sunlight exposuresunbedsmortality

BBBC Chinese★★☆☆☆2026-08-11 00:02Original