STD cupcakes: From Two Little Cats Bakery in Cambridge & Hertfordshire, these chocolate cupcakes feature symptoms of sexually transmitted diseases, including gonorrhea, syphilis, genital warts, chlamydia and HIV.
Eat Your Heart Out 2012
Inglewood High School cheerleaders perform in front of the Space Shuttle Endeavour as it is transported through the streets of Inglewood and Los Angeles on October 13.
ROBYN BECK/AFP/Getty Images
A mobile clinic set up to test students for HIV is parked near Madwaleni High School in Mtubatuba, KwaZulu-Natal, South Africa on March 8, 2011. Parts of the South African province have HIV rates that are more than twice the national average.
Stephane de Sakutin/AFP/Getty Images
Health care workers in South Africa speak to residents during a door-to-door AIDS awareness campaign, part of a series of prevention efforts that has helped lower the country's HIV infection rate.
Mujahid Safodien /Reuters /Landov
HIV patient Darnell Hollie, 47, talks to her doctor Monica Gandhi (right) at San Francisco General Hospital. Her path from drug addict to model patient was "a lot of work, but if you want it, it's there for you," Hollie says.
Data from the Twins Early Development Study shows areas in the U.K. where the effect of environmental factors, shown in pink, trumps the influence of genes, shown in blue, and vice versa.