Les graines de tournesol procurent des avantages nutritionnels notables, notamment une teneur élevée en protéines et en antioxydants.
Les graines de tournesol contiennent 18,9 grammes de protéines pour 100 grammes selon les données de l'USDA. Ce chiffre dépasse les 12,4 grammes contenus dans deux gros œufs. Une étude publiée en 2025 dans Food and Humanity souligne leur richesse en vitamine E, qui soutient la fonction immunitaire et pourrait réduire le risque de maladies chroniques.
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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.
Adults age 65 and older who consume eggs regularly face a reduced chance of developing Alzheimer’s disease, according to new research from Loma Linda University Health. The study found that eating at least five eggs per week was associated with up to a 27 percent lower risk. Even modest intake showed measurable benefits.
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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.
Building on warnings like the 2025 Lancet series, researchers link ultra-processed foods to health issues including obesity and cancer, though mostly via correlations. A landmark 2019 trial provides the strongest causal evidence by showing overeating on such diets. Debates continue on regulations amid concerns over practicality.
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Quality seeds resilient to climate change are the main pillar in preventing hunger and ensuring food security across Africa. According to Dr. Yacouba Diallo, Secretary General of the African Seed Trade Association (AFSTA), agricultural reforms cannot succeed without robust seed systems. AFSTA will host its 2026 congress in South Africa to discuss these issues.