A testicular disorder causes primary hypogonadism. Any issue with your testicles, hypothalamus or pituitary gland can cause low testosterone. There are several possible causes of low testosterone. Testosterone levels naturally drop in men, so this is a common condition. Special cells (called Leydig cells) in your testicles make this hormone. Cleveland Clinic is a non-profit academic medical center. Those low levels cause decreased testosterone and sperm production. These signals from your brain normally control how much testosterone your testicles make and release. Sexual symptoms of low testosterone are the most specific. Low testosterone symptoms (low T symptoms) can vary a lot. It helps male features like a deepening voice and body hair growth develop. You can have different symptoms depending on your age. PeterMD is the easy button for managing your optimal health. I've seen significant improvements in my energy levels, mood, and overall well-being. I've had all my questions answered and am now finding success on my journey to better health. Take a quick assessment to find the right treatment for your needs. Men and women need the proper amount of testosterone to develop and function normally. Some men and women experience immediate side effects of testosterone treatment, such as acne, disturbed breathing while sleeping, breast swelling or tenderness, or swelling in the ankles. As surprising as it may be, women can also be bothered by symptoms of testosterone deficiency. For example, a man with osteoporosis and low testosterone can increase bone strength and reduce his fracture risk with testosterone replacement. Some men who have a testosterone deficiency have symptoms or conditions related to their low testosterone that will improve when they take testosterone replacement. Others reduce inflammation or change how hormones are bound in the blood. A healthcare provider will review and approve your test requests; no healthcare provider visit is required. If you were assigned female at birth (AFAB) and are seeking testosterone testing, consider the Total Testosterone Test for Women. Because prostate cancer is so common, doctors tend to be leery of prescribing testosterone to men who may be at higher than average risk of having undiagnosed prostate cancer. Testosterone therapy does not appear to increase the risk of prostate cancer, but it can stimulate the growth of prostate cancer cells. When it rises, testosterone falls. Stress causes your levels of cortisol to rise. A consistent lack of good-quality sleep can also lead to weight gain, which can reduce your testosterone production. Research shows peak production happens after 3 hours of deep sleep, so make sure you get enough uninterrupted sleep to take advantage of this natural boost. By contrast, endurance exercises like cycling for hours or running marathons can actually reduce your testosterone level. Certain testosterone boosters have specific side effects. Increased cortisol levels can also cause you to overeat, which can contribute to weight gain and lowered testosterone. Cortisol is a hormone that works against your testosterone. Sleep is essential for your good health, and it affects your testosterone. Research has found heavy drinking over a long period of time can cause your body to make less testosterone. The question of whether protein increases testosterone is a bit murkier. So it makes sense that a testosterone-boosting diet should be full of lean protein, healthy fats, and foods high in antioxidants, like berries and leafy greens.