Written By THT Editorial Team
Reviewed by Liza Nagarkoti , BSc Nursing, MA(Nutrition), Project Officer (Health) LWF Nepal
Zinc is an essential mineral that plays a vital role in various bodily functions, including immune system function, wound healing, and DNA synthesis. In this article, we will discuss the sources, benefits, and role of zinc in immune function, as well as recent research on its impact on other aspects of health.
Sources of Zinc
Zinc can be found in a variety of foods, including oysters, red meat, poultry, beans, nuts, and whole grains. Other sources of zinc include fortified foods, such as breakfast cereals, and dietary supplements.
Benefits and Role in Immune Function
Zinc is crucial for the normal functioning of the immune system, as it is involved in the development and function of immune cells, such as white blood cells and T cells. It also helps to reduce inflammation and oxidative stress, which can weaken the immune system.
Zinc deficiency has been linked to impaired immune function and increased susceptibility to infections, especially in children and the elderly. Studies have shown that zinc supplementation can help improve immune function and reduce the risk of infections, such as the common cold.
Recent Research and Findings
Recent research has shown that zinc may have other health benefits beyond immune function. One study published in the Journal of Nutrition found that zinc supplementation may help improve blood sugar control in individuals with type 2 diabetes. Another study published in the Journal of the American Heart Association found that higher dietary zinc intake was associated with a lower risk of cardiovascular disease in women.
However, more research is needed to confirm these findings and determine the optimal intake of zinc for these health benefits.
Symptoms of Deficiency
Zinc deficiency can lead to various health problems, including impaired immune function, delayed wound healing, and growth retardation in children. Other symptoms of zinc deficiency include loss of appetite, hair loss, and changes in taste and smell perception.
Conclusion
Zinc is an essential mineral that is important for immune function and other bodily functions. Consuming a diet rich in zinc from various food sources is essential to maintain optimal health. Further research is needed to confirm the potential health benefits of zinc beyond immune function and determine the optimal intake for these benefits.
REFERENCES
- National Institutes of Health. Zinc. https://ods.od.nih.gov/factsheets/Zinc-HealthProfessional/. Accessed May 9, 2023.
- Jayawardena R, Ranasinghe P, Galappatthy P, et al. Effects of zinc supplementation on diabetes mellitus: a systematic review and meta-analysis. J Nutr. 2012;142(4):764-774.
- Zhang J, Ding EL, Song Y. Adherence to zinc intake and risk of cardiovascular disease: a meta-analysis of prospective cohort studies. J Am Heart Assoc. 2018;7(3):e007497.
Zinc and Men’s health
Zinc is an essential mineral that is important for many bodily functions, including immune function, wound healing, and cell growth and division. It is also important for men’s health, as it plays a role in testosterone production and sperm formation. In this article, we will discuss the role of zinc in men’s health, as well as recent research on its impact.
Role of Zinc in Men’s Health
Zinc is essential for the normal functioning of the male reproductive system. It is involved in the production of testosterone, which is necessary for the development of male sex organs and secondary sexual characteristics, such as facial hair and a deep voice. Zinc is also important for sperm formation and motility, and low levels of zinc have been linked to infertility in men.
Recent Research and Findings
Recent research has shown that zinc supplementation may have a positive impact on men’s health. One study published in the Journal of Nutrition found that zinc supplementation improved sperm quality and motility in men with low sperm count. Another study published in the Journal of Trace Elements in Medicine and Biology found that zinc supplementation improved sexual function in men with erectile dysfunction.
Zinc has also been studied for its potential impact on prostate health. One study published in the Journal of the National Cancer Institute found that higher levels of zinc in the prostate gland were associated with a reduced risk of prostate cancer. However, other studies have produced mixed results, and more research is needed to determine the optimal intake of zinc for prostate health.
Sources of Zinc
Zinc is found in various food sources, including oysters, beef, pork, chicken, beans, nuts, and whole grains. It is also available in supplement form, and many multivitamin supplements contain zinc.
Conclusion
Zinc is an essential mineral that plays a vital role in men’s health, including testosterone production, sperm formation, and prostate health. Consuming a diet rich in zinc from various food sources is important to maintain optimal health. Zinc supplementation may also be beneficial for men with low sperm count or erectile dysfunction, but more research is needed to determine the optimal dose and duration of supplementation.
REFERENCES
- Wong WY, Flik G, Groenen PM, et al. The impact of calcium, magnesium, zinc, and copper in blood and seminal plasma on semen parameters in men. J Androl. 2001;22(6): 126-135.
- Omu AE, Dashti H, Al-Othman S. Treatment of asthenozoospermia with zinc sulphate: andrological, immunological and obstetric outcome. Eur J Obstet Gynecol Reprod Biol. 1998;79(2):179-184.
- Prasad AS, Mantzoros CS, Beck FW, et al. Zinc status and serum testosterone levels of healthy adults. Nutrition. 1996;12(5):344-348.
- Meldrum DR, Gambone JC, Morris MA, et al. A review of plant-derived and herbal approaches to the treatment of sexual dysfunctions. J Sex Marital Ther. 1998;24(3):211-229.