2021's Best Photos of the Microscopic World

Mouse guts

Cross section of a mouse intestine, shown at 10-times magnification. Image: Amy Engevik

A cross-section section of a mouse intestine, as imaged by Amy Engevik from the Department of Regenerative Medicine and Cell Biology at Medical University of South Carolina.

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Sleep-Tracking Earbuds Didn’t Fix Me, but They Did Open My Eyes

NextSense's EEG-equipped wireless earbuds are an intriguing idea, but I'm not sure if sleep-tracking can save me from constant tiredness.

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The Newest Alzheimer’s Drugs Might Be Worthless, Review Finds

Anti-amyloid drugs likely provide no "clinically meaningful" effects for people with Alzheimer's, the authors concluded.

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You know what speeds up medical research? Money.

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Simple Blood Test Can Predict Dementia 25 Years in Advance, Study Suggests

The blood biomarker p-tau217 has "shown the most promise in detecting Alzheimer's in the brain," researchers of a new study say.

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A Simple Blood Test Could Eventually Tell You When Alzheimer’s Is Coming

WashU researchers have created a model that can seemingly predict a person's symptoms of Alzheimer's within a few years.

Health Ed Cara Feb 19

What If Cancer Holds the Key to New Treatments for Alzheimer’s Disease?

Scientists have found a possible explanation for why cancer patients are less likely to develop Alzheimer's.

Health Ed Cara Jan 26