When it comes to health matters, scientists rarely make statements that do not begin with 鈥渕ay.鈥 But here is one. Excessive exposure to sunlight causes skin cancer! There鈥檚 no 鈥渕ay鈥 about it. And...
Virtually no day goes by without an alert from the media about some chemical in the environment that is suspected of harming our health. It may do this by disrupting our hormones, triggering cancer...