Right now about 8 million people around the world are getting treated for HIV at a cost of about $17 billion a year. Universal treatment would cost another $22 billion. One proposal on funding: a tax on beer and cigarettes.
When Oregon couldn't pay for everyone eligible for Medicaid to be covered, the state resorted to a lottery. Researchers then compared the health of people who won coverage with those who didn't. The results show that Medicaid improves people's health.
Prescription drug abuse has soared in the past decade, leading pharmaceutical companies to alter the recipes for their painkillers to thwart misuse. But communities fighting the growing problem see drug users switching to new medicines to get around the changes.
Olympic athletes need anywhere from 1,200 to 8,000 calories before competition. While some endurance athletes like runners and cyclists have to load carbohydrates, others, like wrestlers, restrict what they eat so they can make their weight class.
In the early years of HIV and AIDS, Haiti was considered an epicenter of the epidemic. As dignitaries from around the world meet for the 19th International AIDS Conference, host Michel Martin speaks to Haiti's First Lady Sophia Martelly about the Caribbean island's progress against the epidemic and challenges that persist.
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