New research is demonstrating what many people already knew from experience: Women lose interest in sex over time, while men don’t. The finding has the potential to help couples, the researchers said. Knowing that many women’s sexual desire diminishes over the course of a relationship could encourage both partners to be more realistic about their sex lives,
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Compared to other drugs, therapeutics given breakthrough status receive FDA approval on the basis of weaker trial evidence, a study finds. The US Food and Drug Administration’s “breakthrough therapy” designation has helped expedite the development and approval of more than 45 therapeutics in the last 5 years. But a study published in JAMA today (July 17) suggests
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Conditions that formed Amazonian age valleys may have been hospitable to microbial life. Much of our planet’s recent history is documented in books, letters, photographs, and films. To supplement these human-made records and delve back even further, we rely on nature’s own relics—tree rings, geologic formations, and the evolving genetic makeup of animals—to better understand
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