Cells Archives

Hair Grows Differently Than Expected: Study Discovers New Mechanism in the Hair Follicle

For decades, biology textbooks have taught that human hair grows because cells at the base of the hair follicle divide and push the hair shaft upward. However, new research suggests […]

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More Than Just a Pick-Me-Up: How Coffee Might Activate an Important Protective Mechanism in the Body

Coffee has repeatedly been linked to a longer life expectancy and a lower risk of various chronic diseases. However, scientists have not yet fully understood the biological processes that could

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Why Some People Live to Be 100: What the Immune System and Metabolism Reveal About Healthy Aging

The dream of living a long life while remaining healthy and active for as long as possible has preoccupied humankind for centuries. Today, modern gerontology no longer attempts to explain

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Scientists Discover a Protein Switch That Burns Fat and Prevents the Formation of New Fat Cells

Modern weight-loss medications have revolutionized the treatment of obesity and helped many people lose a significant amount of weight. However, these medications often have a major drawback: they can also

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New Findings on the Spread of Alzheimer’s Disease in the Brain

Alzheimer’s disease is characterized by the accumulation of a toxic protein called tau, which damages and eventually kills brain cells. As this harmful protein spreads to new areas of the

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Why Belly Fat Increases with Age: Researchers Discover a Previously Unknown Mechanism

As people age, many notice a familiar change: their waist circumference gradually increases, even if their overall body weight doesn’t change significantly. This increase in belly fat is more than

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