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Vaccines may work better if arms are alternated for each shot
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Vaccines may work better if arms are alternated for each shot

by Robin Foster Credit: Unsplash/CC0 Public DomainWhen getting vaccines, switching arms for each dose may produce greater immunity than having the jabs delivered into the same arm. That’s the finding from a new study in the Journal of Clinical Investigation that looked at the first two doses of COVID vaccines. Those who alternated arms showed...

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Erectile Dysfunction Rx: Give It a Shot

Rachel S. Rubin, MD I’m Dr Rachel Rubin. I am a urologist with fellowship training in sexual medicine. Today I’m going to explain why I may recommend that your patients put a needle directly into their penises for help with erectile dysfunction (ED). I know that sounds crazy, but in a recent video when I...

Déjà brew? Another shot for lovers of coffee
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Déjà brew? Another shot for lovers of coffee

by  University of South Australia Long-term, heavy coffee consumption can heighten your risk of cardiovascular disease. Credit: Pixabay / Ermal Tahiri Long black, espresso, or latte, whatever your coffee preference, drink too much and you could be in hot water, especially when it comes to heart health. In a world first genetic study, researchers from the...