- By Priyanka Munshi
- Thu, 13 Feb 2025 05:48 PM (IST)
- Source:JND
Sunlight is associated with energy and vitamin D production, which plays a crucial role in our health. While excessive sun exposure is linked to skin cancer, leading many individuals to take precautions, completely avoiding the sun can also have significant health consequences, including an increased risk of certain cancers.
When UV rays from the sun directly strike the skin, they trigger the production of vitamin D, which is essential for bone health, immune function, and growth regulation. Research suggests that vitamin D also has protective effects against several forms of cancer. Additionally, sunlight helps regulate circadian rhythms, influences mood through serotonin production, and plays a role in immune system regulation. In a conversation with Jagran English, Dr. Niraj Bhatt, Consultant Medical Oncologist at Bhailal Amin General Hospital in Vadodara, discussed whether a lack of sun exposure increases the risk of certain cancers.
How Lack Of Sun Exposure Affects Cancer Risk?
According to Dr. Niraj Bhatt, inadequate sun exposure may increase the risk of certain cancers, including breast, prostate, colon, and other internal organ cancers. Vitamin D influences gene expression, cell differentiation, and apoptosis, which are critical in preventing cancer cell growth.
Some studies indicate that individuals with higher vitamin D levels have a lower risk of developing colorectal cancer due to vitamin D's ability to regulate cell growth and suppress inflammation. Women with low vitamin D levels are also at a higher risk of developing breast cancer, as vitamin D influences breast tissue cells, reducing the likelihood of malignant transformation. Additionally, vitamin D deficiency may contribute to an increased risk of prostate and ovarian cancer.
What Is The Importance Of A Strong Immune System?
Dr. Niraj Bhatt emphasized that a strong immune system is essential for identifying and destroying cancer cells before they multiply uncontrollably. Sunlight supports immune function by modulating T-cell activity and reducing chronic inflammation. While excessive sun exposure increases the risk of skin cancer, moderate sun exposure is necessary for maintaining optimal vitamin D levels.
Spending 15-30 minutes in sunlight several times a week can help maintain adequate vitamin D levels. Additionally, consuming vitamin D-rich foods such as fatty fish, dairy products, and eggs can help compensate for reduced sun exposure. If dietary intake and sun exposure are insufficient, supplementation may also be beneficial.