Word: bloodstream
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...course of a lifetime, 2 out of every 10 people who have had chicken pox will experience its misery. But while the disease can strike at any time, the risk increases sharply after age 50. Why? Probably because older people have fewer antibodies against varicella-zoster circulating in their bloodstream. Also at high risk are those whose immune systems are compromised, such as AIDS and transplant patients...
...possibly be protective. Red wine contains flavonoids that are very strong antioxidants. They exert protective and prophylactic effects. As the French and others who eat a Mediterranean diet usually consume wine with their meals, the flavonoids can begin their protective action just as the fats are entering the bloodstream. PAULA MONTEIRO CABRAL Porto, Portugal...
Since it takes as long as 24 hours for bacteria to get from the tick into your bloodstream, it pays to remove ticks as soon as you can. Don't try holding a burnt match to the tick to make it back out. Apart from scorching yourself, you'll just provoke it into regurgitating its potentially toxic baggage into your body. Instead, take a pair of tweezers, line them up alongside the tick's body and as close to your skin as you can and gently pull out the tick. Be sure not to squeeze or crush the tick...
...implications are almost unimaginable - cheap, ubiquitous supercomputing, unlimited memory capacity, medical nano-devices small enough to float in the human bloodstream, and beyond - but it will be years before actual functioning molecular computers will be constructed. "This is an important stepping stone, but we still have a long way to go, " James Tour, an expert in the field who teaches at Rice University, told the New York Times. "I don't want people to think that in three to five years we'll have molecular electronics...
Angiogenesis not only allows tumors to grow but also makes it more likely that they will metastasize, or spread through the vessels into the bloodstream and other parts of the body...