Strength training exercises are safe and effective for people of all ages and health levels. Regular strength training can benefit those with health conditions the most by reducing symptoms of diseases like arthritis, diabetes, osteoporosis, obesity, back pain, and depression. Strength training along with aerobic exercise can have a profound impact on mental and physical health. While strength training, it is unlikely one will gain significant weight or become bulky unless calorie intake is increased, as muscle takes up less space than fat. Strength training can help increase muscle and decrease body fat even if overall weight stays the same.