Health
New Light on Medicine
Pigments that turn caustic on exposure to light can fight cancer, blindness and heart disease. Their lightinduced toxicity may also help explain the origin of vampire tales
Stories by Nick Lane
Health
Born to the Purple: the Story of Porphyria
Porphyrins are light-activated chemicals that can be used to combat ills including tumors and diseases of the eye. But they have a dark side: when the wrong forms of them build up in the body, they cause a disease called porphyria...
Health
New Light on Medicine
Pigments that turn caustic on exposure to light can fight cancer, blindness and heart disease. Their light-induced toxicity may also help explain the origin of vampire tales
