Testosterone works hard in the body, maintaining everything from bone density to muscle mass to sex drive and beyond. A significant drop in testosterone levels can result in a reduced sex drive, increased body fat, decreased motivation, and sleep problems like insomnia. These symptoms can add up to chronic low energy, and mental and physical fatigue.
As the name says, a low-carb diet restricts the type and amount of carbohydrates you eat. Carbohydrates are a type of calorie-providing macronutrient found in many foods and beverages. Many carbohydrates occur naturally in plant-based foods, such as grains.
noun [countable] a diet based on food eaten in the Stone Age era, which consists of meat, fish, fruit and vegetables, and does not include grains, dairy products or processed foods. 'Proponents of the Paleo diet claim miraculous gains in energy, mental acuity, physical strength and general health.