Vitamin D plays an essential role in maintaining human health—from supporting strong bones to strengthening immune function and regulating numerous biological processes. Yet Vitamin D deficiency has become a global epidemic, affecting people of all ages and contributing to serious health conditions such as osteoporosis, cardiovascular diseases, autoimmune disorders, diabetes, depression, and even certain cancers. Because of its importance, accurate and efficient Vitamin D testing has become a...

Studies show that male infertility is related to an increased prevalence of sexual dysfunction, affecting areas such as erectile...

HPV (human papillomavirus) infection, the most common sexually transmitted infection, puts women at a high risk of contracting it. HPV...