Dhaka, Oct. 21 -- What you eat could be one of the most underrated tools for keeping skin healthy as you age, with researchers pointing to a range of plant-based foods, healthy fats, and fermented products as particularly beneficial, the BBC has reported.

Skin loses collagen -- the protein responsible for its structure and firmness -- gradually over time, leading to wrinkles. Environmental factors including air pollution, visible light, infrared radiation, and rising temperatures compound the damage, according to Jean Krutmann, professor of dermatology at the Leibniz Research Institute for Environmental Medicine.

Diet, however, can help offset some of that decline.

Colourful fruits and vegetables rich in carotenoids -- compounds found ...