This week in science brings significant developments. Drugs like Ozempic may offer unexpected benefits beyond weight loss, potentially reversing cartilage damage in osteoarthritis through cellular metabolism reprogramming.

Heart health research emphasizes food quality over strict low-carb or low-fat diets. Meanwhile, a 48-hour oatmeal-only diet has shown promise in significantly reducing 'bad' cholesterol for weeks.
A novel 'universal' vaccine candidate, delivered via nasal spray, has demonstrated protection against a wide spectrum of pathogens, including viruses, bacteria, and allergies in mice.

Repurposing existing drugs is also yielding results, with Viagra identified as a promising candidate for Alzheimer's treatment. Furthermore, 'superagers' - individuals who maintain cognitive sharpness into old age - exhibit increased growth of new brain cells, offering clues to healthy brain aging and dementia prevention.