Gym News Today — August 26, 2026

As we strive to live healthier and longer lives, it's clear that our bodies are complex systems influenced by a multitude of factors. For those watching their diet, a new study suggests that genetics may play a significant role in how low-carb diets affect cholesterol levels, highlighting the importance of personalized nutrition plans. Meanwhile, for those looking to protect their long-term health, a shingles vaccine has been linked to a lower risk of dementia, and researchers are making progress in understanding the human immune system, including the role of "natural killer" cells in fighting cancer.

These breakthroughs in our understanding of the human body are especially relevant as we age, and research into the habits and characteristics of centenarians continues to provide valuable insights. For example, people who live past 110 have been found to have an abundance of certain immune cells that help keep them healthy. On the other hand, conditions like depression can have a profound impact on our brain health, potentially limiting our brain's ability to regenerate and adapt. As we continue to learn more about the intricate relationships between our genes, lifestyle, and environment, we can work towards developing more effective strategies for promoting overall health and wellbeing.

Today's signal:
• Your genes may decide whether a low-carb diet sends cholesterol soaring (sciencedaily.com)
• Shingles vaccine linked to 24% lower dementia risk (sciencedaily.com)
• Supercharged “natural killer” cells could be a powerful new cancer weapon (sciencedaily.com)
• Depression may shut down the brain’s ability to make new neurons (sciencedaily.com)
• People who live past 110 have an unusual abundance of killer immune cells (sciencedaily.com)