A Surprising Brain Signal Could Explain Why Eating Less Protein Extends Lifespan
Protein restriction may trigger a body-wide adaptive program that links nutrient sensing, hormone signals, brain activity, and metabolism.…
Old hearts age backwards: transplanted organs adjust to host’s biological age
Heart transplants are limited by donor availability.Credit: Vsevolod Zviryk/Science Photo Library What happens to organs when they are…
Scientists Bred “Super-Athlete” Mice for 30 Years – What Happened Was Unexpected
An exceptionally long-running mouse experiment suggests that abundant energy, or hidden physiological adaptations, may allow extreme activity without…
All living things emit a faint glow. Could this light be useful?
In 2025, quantum physicist Daniel Oblak and his colleagues published images of mice that made headlines around the…
How naked mole-rat queens stop rivals reproducing
Naked mole-rat queens produce a chemical that stops other females from reproducing.Credit: Neil Bromhall/Getty Naked mole-rat (Heterocephalus glaber)…
Scientists Discover Gut Signal That Turns Off Sugar Cravings
Your gut may be far smarter than scientists realized. Researchers have discovered a hidden gut-brain communication system that…
Exercise Changes the Heart in a Way Researchers Never Expected
Exercise may do far more than strengthen the heart and muscles. New research suggests regular aerobic activity can…
Immune cells have a surprising role in exercise endurance
B cells, an important component of the immune system, might improve endurance and muscle strength.Credit: Hinterhaus Productions/Getty Immune…
Girls are starting puberty younger — why, and what are the risks?
When Lola was eight years old, she went through a massive growth spurt and started developing acne. Her…
The expanding landscape of GLP-1 medicines
Drucker, D. J., Philippe, J., Mojsov, S., Chick, W. L. & Habener, J. F. Glucagon-like peptide I stimulates…
Why the form of vitamin B12 you take may matter more than your intake
A new scientific review weighs natural and synthetic forms of vitamin B12, revealing where methylcobalamin may outperform standard…
THE FIT LIFE: Why You're Always Tired — And What You Can Do About It – Gwinnett Daily Post
THE FIT LIFE: Why You’re Always Tired — And What You Can Do About It Gwinnett Daily Post8 reasons…