Smoking skunk raises risk of psychosis, study finds

Reuters - People who smoke "skunk" -- a potent form of cannabis -- are almost seven times more likely to develop psychotic illnesses such as schizophrenia than those who smoke "hash" or cannabis resin, according to research.

Mammogram radiation may put some women at risk

South Africa to expand AIDS treatment: Zuma

Reuters - South Africa, which has the world's highest HIV caseload, will roll out life-prolonging anti-retroviral drugs to significantly more people infected with the virus from next year, President Jacob Zuma said on Tuesday.

Health officials to review disaster plan

Reuters - Stung by the continuing struggle to make a vaccine against the swine flu pandemic, Health and Human Services Secretary Kathleen Sebelius said on Tuesday her department would review its approach to disaster preparedness.

French scientists create skin fast from stem cells

Reuters - French scientists have found a way to create human skin rapidly from stem cells, a discovery that could save the lives of many burns victims who are vulnerable to infection and now wait weeks for a skin graft.

HIV-infected Chinese children struggle with stigma

Iraq sees alarming rise in cancers, deformed babies

Reuters - The guns are gradually falling silent in Iraq as a fragile stability takes hold, turning the spotlight on a stealthier killer likely to stalk Iraqis for years to come.

U.S. unemployed face higher healthcare premiums

Abdominal CT scans overused: study

Reuters - More than half of patients receiving abdominal CT scans, an advanced type of X-ray, got them for tests they did not need, exposing them to excess radiation that could raise the long-term risk of cancer, U.S. researchers said on Monday.