We think these phytochemicals either stop the growth of precancerous cells in the body or they kill the precancerous cells without affecting normal cells.
In some cases, these populations have also traveled great distances from their homes to escape long-term disasters such as famine, drought, and civil strife.
Millions of Britons are entangled in means-tested tax credits, housing benefits and entitlements for the jobless that can make it unprofitable to work.
Chlorophyll, although exquisitely evolved to capture the energy of sunlight, can sometimes be overwhelmed by it, especially in situations of drought, low temperatures, or nutrient deficiency.
Before staring on a sea voyage, prudent navigators learn the sea charts, study the sailing directions, and memorize lighthouse locations to prepare themselves for any conditions they might encounter.