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Scientists have developed the worlds male alternative to the female contraceptive pill.

"But, "one has to be cautious. This is exciting science in rodents, but you can't just extrapolate to humans," says Emeran Mayer, a gastroenterologist and neuroscientist at UCLA's Center for Neurobiology of Stress who was not involved in the new study. Drug and food companies that make probiotics - beneficial bacteria taken in a pill or eaten in food such as yogurt - hope the products can help relieve depression, improve weight loss and cure other conditions, but there is little evidence in people that probiotics can accomplish those goals, Mayer says. "It's almost like science fiction; you can imagine the most amazing things because so little is known about it," he says. But, "So far there's really no evidence that probiotics affect emotions in humans." "

Pillbox enables rapid identification of unknown solid-dosage medications (tablets/capsules) based on physical characteristics and high-resolution images.

Unlike most beverages, grapefruit juice contains a chemical that boosts the potency of many drugs in the body. To avoid a dangerously high dose of medication, patients are often advised to not wash down pills with grapefruit juice.