Intermittent fasting (IF), a popular dietary trend emphasizing timed eating windows, has garnered attention for its potential metabolic benefits. though, a new study published in the journal Cell suggests a potential downside: slower hair growth. The research, conducted on both mice and humans, indicates that IF may interfere with hair follicle regeneration.
The study found that mice following an intermittent fasting regimen experienced substantially slower hair regrowth compared to mice with unlimited food access.While control mice saw full hair regrowth within 30 days after shaving, mice on IF took a significantly longer 96 days to show partial regrowth. This difference highlights a potential impact on hair follicle stem cells.
How Intermittent Fasting Affects Hair Follicles
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Researchers believe that the stress induced by IF,forcing the body to rely on glucose reserves,may negatively affect hair follicle stem cells. These cells are highly sensitive to oxidative stress, and the study suggests that IF may hinder their ability to renew and regenerate, leading to slower hair growth.
Human Studies Show Similar, Though Less Dramatic, Results
To confirm the findings in humans, researchers conducted a clinical trial involving 49 healthy young adults. The results showed that an IF regimen with an 18-hour fasting period reduced the average hair growth rate by 18% compared to a control group. While the impact was less pronounced in humans than in mice, the study still suggests a potential link between IF and slower hair growth.
The researchers attribute the difference in impact between mice and humans to metabolic differences. Mice have significantly faster metabolisms, making them more susceptible to the effects of dietary changes.
What Does This Mean for You?
While this study raises concerns, it’s critically important to note that more research is needed to fully understand the long-term effects of IF on hair health.Individuals considering IF should monitor their hair growth and consult with a healthcare professional or registered dietitian to discuss potential risks and benefits based on their individual health needs.The study highlights the importance of a balanced approach to diet and overall health.
For those already experiencing hair loss or concerns about hair growth, consulting a dermatologist or trichologist is recommended. They can provide personalized advice and assess any underlying causes of hair loss unrelated to diet.
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Intermittent Fasting: Can It Affect Hair Growth?
Experts delve into the findings of a new study raising concerns about a potential link between intermittent fasting and slower hair regrowth.
This growing trend involves alternating periods of eating and fasting,and while it shows promise for metabolic benefits,recent research suggests a possible downside that may impact those with hair-related concerns.
The Science Behind the Study
World Today News sat down with Dr. Amelia Ramirez, a leading dermatologist and researcher specializing in hair biology, to understand the findings of this groundbreaking study.
World Today news: Dr. Ramirez, this new study seems to suggest a potential connection between intermittent fasting and slower hair growth. What can you tell us about it?
Dr. Ramirez: This study, published in the prestigious journal Cell, investigated the impact of intermittent fasting on hair follicle regeneration in both mice and humans. The results were quite interesting. In mice, those following an intermittent fasting regimen experienced substantially slower hair regrowth compared to mice who had unrestricted access to food. They found that while control mice saw full hair growth within 30 days, mice on IF took a surprisingly long 96 days to show partial regrowth.
World Today News: These findings are certainly intriguing. What is the scientific reasoning behind this potential link?
Dr. Ramirez: the researchers believe that the stress induced by intermittent fasting, where the body is forced to rely on stored glucose reserves, may negatively impact hair follicle stem cells.These cells are vital for hair growth and are highly sensitive to oxidative stress. The study suggests that this dietary pattern may hinder their ability to renew and regenerate, leading to the observed slower hair growth.
World Today News: This raises some concerns for individuals who are considering or currently practicing intermittent fasting. What about the human trials?
Dr.Ramirez:
The human trials, while involving a smaller sample size, also showed a similar trend. An 18-hour fasting period reduced the average hair growth rate by 18% compared to the control group. This difference was less pronounced than what was observed in mice, which is likely due to the fact that human metabolism is more complex and slower than that of mice.
Understanding the Bigger Picture
World Today News: What are the implications of these findings for people who follow intermittent fasting for various health benefits?
Dr. Ramirez: While this study raises crucial questions, it’s crucial to remember that more research is needed to fully understand the long-term effects of intermittent fasting on hair health. It’s also important to recognize that individual responses to dieting can vary greatly.
World Today News: What advice would you give to someone who experiences hair loss or is concerned about the impact of intermittent fasting on their hair?
dr. Ramirez: For individuals already facing hair loss or worried about potential effects, I encourage them to consult with a dermatologist or trichologist. They can provide personalized advice, assess underlying causes of hair loss, and discuss whether adjustments to diet or other interventions are necessary.
Remember, a balanced approach to diet and overall health is key. Always consult with healthcare professionals before making meaningful dietary changes.
This study reminds us that while intermittent fasting may offer certain health benefits, it’s essential to consider its potential impact on various aspects of well-being.