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AMA #18: Cold Therapy Advice, Skin Health Tips, Motivation, Learning Strategies & More

Huberman Lab

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Choose Protection Wisely

Chemical sunscreens can enter the bloodstream and may act as endocrine disruptors, raising concerns about their safety. While occasionally using them can be acceptable for urgent sun protection, frequent use throughout the summer is better suited to mineral-based sunscreens to minimize exposure. Opinions vary on the safety of chemical-based sunscreens, but if you find the evidence inconclusive, that choice remains valid. Sun exposure is necessary for vitamin D synthesis and regulating circadian rhythms, but it’s crucial to avoid excessive exposure and burns, as skin cancer risk increases without necessarily burning.

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