And while researchers continue to explore how we can reduce amyloid-beta levels in the brain (whether by changing behaviors, thought processes, or by pharmacological methods), the best advice is probably to stay as cognitively active as you can, get some rest, and perhaps most importantly, be as happy as you can be.

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But if men are diagnosed with prostate cancer, before deciding that treatment is necessary, they should seek advice from a prostate-cancer expert who is comfortable with doing active surveillance.

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