“If we’re asking if GLP-1s make you live longer, like more number of years, we have no data and no science to support that,” says Rekha Kumar, MD, an endocrinologist and obesity medicine expert at Iris Cantor Women’s Health Center in New York City. “If the question is, could this class of medicine keep you healthier for longer within your lifespan, the answer is the science is moving in that direction to support that.”
“In cellular studies, we see reduced chronic inflammation, improved mitochondrial function [cell energy], better vascular function [blood flow], reduced oxidative stress,” says Dr. Kumar. “All of these things are cellular evidence that GLP-1s can be helpful.”
According to Reshmi Srinath, MD, director of the Mount Sinai Weight and Metabolism Management Program in New York City, research is taking place to establish if GLP-1s may have even more impact on factors related to aging.
“Drug companies are currently investigating the role of GLP-1s in aging and immune function, and they’re being studied in autoimmune disease and neurological conditions,” she says.
Inflammation and Aging
“GLP-1s reduce inflammation in the body,” says Kumar. “That type of inflammation not only leads to cardiovascular disease, but also to cancers, neurodegenerative disease (Alzheimer’s disease and Parkinson’s), and arthritis.”
Heart and Organ Protection
Cancer and Metabolic Health
“For patients who don’t need to lose weight or treat diabetes, there’s growing interest in using GLPs to prevent chronic conditions like cancer,” says Kumar. “The benefits appear to come from both direct effects and improvements in blood sugar and body fat.”
Cellular Aging
“It could be hypothesized or extrapolated that this would also have a benefit on cellular aging,” she says.
Brain Health and Neuroprotection
Kumar describes a patient with a strong family history of Alzheimer’s who asked to try a GLP-1 for dementia prevention. “She was very fit and optimized her lifestyle, diet, sleep, and stress management,” she says. “We tried it, but she didn’t tolerate it — she became nauseous and lost weight she didn’t need.”
In this case, the risk outweighed the potential benefits, raising the question of whether GLP-1s offer the same longevity advantages for people without a medical indication for their use.
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