Blog — Testosterone Deficiency

When Hormones Shape the Mind Hormones are powerful chemical messengers that quietly influence not only our bodies but also our thoughts and emotions. While neurotransmitters like serotonin and dopamine often get the spotlight for controlling mood, science now shows that hormones can have just as much impact on mental well-being. 1. The Emotional Swing of Oestrogen and Progesterone Women often experience emotional changes before menstruation, after childbirth, or during menopause. These phases involve major shifts in oestrogen and progesterone. Before menstruation: Falling oestrogen can lower serotonin, leading to irritability or sadness. After childbirth: A sudden hormone drop can trigger postpartum...

Why a Hormone Profile Is Better Than a Single Test. When men experience hormone-related symptoms (like low libido, fatigue, weight gain, or mood changes), it’s rarely just one hormone causing the issue. A simple testosterone check may miss the bigger picture.

Low Testosterone & Male Hormone Imbalance: What Every Man Should Know Are you feeling constantly tired, gaining belly fat, or noticing changes in your mood and sex drive? These aren’t just signs of “getting older.” They could be symptoms of low testosterone or a broader male hormone imbalance. Why Male Hormones Matter Hormones act as chemical messengers, controlling everything from energy and mood to muscle strength, weight, and sexual health. Think of them like instruments in a band: when they play in harmony, everything feels right. But when one is out of balance, the entire performance suffers. The key male...

The UK is facing a growing obesity crisis, with two-thirds of adults and a rising number of children classified as overweight or obese. A recent UK Parliament briefing highlights alarming trends, including regional and ethnic disparities and increased risks linked to socioeconomic status. While public health strategies continue to evolve, addressing the hormonal root of weight gain may offer a more effective, personalized solution. ZRT Laboratory’s Weight Management Profile helps uncover hidden hormonal imbalances—such as elevated cortisol, low testosterone, or thyroid dysfunction—that contribute to stubborn fat gain, poor metabolism, and increased disease risk.

As men age, they may experience a decline in testosterone levels which can lead to a range of symptoms commonly referred to as male menopause or andropause. This condition is not as well-known as female menopause, but it can have a significant impact on a man's quality of life. Fortunately, there are treatments available, including hormone testing, to help alleviate the symptoms associated with male menopause. What is Male Menopause? Male menopause is a condition caused by a decline in testosterone levels as a man ages. Testosterone is the primary male sex hormone and is responsible for many of the...