新しい研究により、2週間にわたり毎日ブドウ3食分相当を摂取することで、ヒトの皮膚における遺伝子活性が変化することが明らかになった。この変化は、低線量の紫外線にさらされた後の皮膚のバリア機能を強化し、酸化ストレスの兆候を軽減させる可能性がある。
本研究のボランティアは、2週間にわたり毎日ブドウを摂取した。研究チームは、摂取期間の前後で、紫外線を照射した場合としない場合の両方の条件下において、皮膚の遺伝子発現を測定した。遺伝子活性のパターンは個人間で異なり、時間経過とともに変化も見られたが、ブドウの摂取による影響はすべての参加者で一貫して確認された。
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Preliminary research from USC Norris Comprehensive Cancer Center, presented at the American Association for Cancer Research (AACR) annual meeting, found that non-smokers diagnosed with lung cancer before age 50 reported eating more fruits, vegetables and whole grains—and had higher overall Healthy Eating Index scores—than the U.S. population average. The researchers emphasized that the results do not prove diet causes lung cancer and said a possible explanation could involve environmental exposures such as pesticides, a hypothesis that requires direct testing.
Polyphenols, natural plant compounds acting as antioxidants, help reduce inflammation and support health, according to experts cited in a Vogue article. Registered dietitians recommend incorporating berries, dark chocolate, coffee, artichokes, apples, nuts, seeds, and herbs. These foods provide varying amounts of polyphenols, with benefits linked to disease prevention.
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A new study from the Environmental Working Group finds that consuming more fruits and vegetables with higher pesticide residues, such as strawberries, spinach, and bell peppers, correlates with increased pesticide levels in urine. The research underscores diet as a primary exposure route while emphasizing the health benefits of produce. Findings highlight needs for better monitoring of cumulative pesticide effects.
Researchers at Israel's Weizmann Institute of Science have determined that genetics explain about 50% of differences in human lifespan, far more than previously estimated. The finding, published in the journal Science, challenges earlier views that placed genetic influence at 20-25% or less. By analyzing twin data and filtering out external death causes, the team uncovered this stronger hereditary role.
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Building on genomic research linking Alzheimer's origins to inflammation in peripheral tissues like the gut, lungs, or skin, practical lifestyle measures can help curb chronic inflammation. These include vaccination, oral hygiene, diet, exercise, weight control, and stress management, offering benefits for overall health amid evolving science.