Japanese sushi lovers shrug at mercury. Kazuhiro Ukiuchi loves his tuna sushi, and he tries to have it once a week -- despite the common knowledge in Japan the popular fish can contain toxic mercury. [News Source]

Tuna sushi may be a health hazard. Lab tests find that people who eat more than six pieces of tuna sushi may be consuming toxic levels of mercury. [News Source]

Nation in state of denial on obesity. More than half of Australian adults are now overweight and getting fatter faster than ever, prompting the Australian Bureau of Statistics to upgrade its obesity surveys. [News Source]

Is climate change making us sick? More floods, heat waves, insect-borne disease... Doctors are worried about how global warming will affect our health. [News Source]

Clemens: Injections Were Vitamin B-12, Lidocaine (Washington Post) In an interview with "60 Minutes," pitcher Roger Clemens again denies having used performance-enhancing drugs, saying he was injected with vitamin B-12 and lidocaine. [News Source]

You sweat, but toxins likely stay. Infrared saunas have become a popular option to detoxify. But medical experts say they don't help much. [News Source]

Is climate change is making us sick?. More floods, heat waves, insect-borne disease... Doctors are worried about how global warming will affect our health. [News Source]

Type 2 diabetes may be linked to pesticide exposure. Cambridge University scientists are advocating more research into the possible links between environmental pollution and type 2 diabetes, the most common form of the disease. [News Source]