Dr. Sanjay Bhojraj, a California-based cardiologist, has warned about the long-term use of melatonin, stating that it may increase heart failure risk by 90 percent within five years for those taking it long-term (1+ year). This is based on data from over 130,000 adults reviewed by the American Heart Association.
While melatonin is a natural hormone produced by the pineal gland in the brain, Dr. Bhojraj notes that most people don’t have a melatonin deficiency but rather a sleep rhythm problem. He warns that taking melatonin nightly can disrupt circadian rhythms, alter hormone signaling, and reduce the body’s own melatonin production.
Dr. Bhojraj emphasizes that precise hormonal timing is crucial for various bodily systems, including the heart, mitochondria, and cellular repair systems. Long-term use of melatonin can have these effects, making it essential to consider alternative sleep support methods.
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Source: https://www.hindustantimes.com/lifestyle/health/california-cardiologist-with-20-years-of-experience-explains-unexpected-side-effects-of-melatonin-no-one-talks-about-101763111367920.html