NutriStrategy provides an overview of nutrition, nutrient food sources and the functions of vitamins and minerals in the body. CALORIES are needed to provide energy so the body functions properly. The number of calories in a food depends on the amount of energy the food provides.utriStrategy provides an overview of nutrition, nutrient food sources and the functions of vitamins and minerals in the body. CALORIES are needed to provide energy so the body functions properly. The number of calories in a food depends on the amount of energy the food provides.
Physical symptoms of stress include: 1  Low energy. 2  Headaches. 3  Upset stomach, including diarrhoea, constipation and nausea. 4  Aches, pains, and tense muscles. 5  Chest pain and rapid heartbeat.6  Insomnia. 7  Frequent colds and infections. 8  Loss of sexual desire and/or ability. 9  Nervousness and shaking, ringing in the ear.hysical symptoms of stress include: 1  Low energy. 2  Headaches. 3  Upset stomach, including diarrhoea, constipation and nausea. 4  Aches, pains, and tense muscles. 5  Chest pain and rapid heartbeat.
Symptoms of stress fractures include: 1  Pain with or after normal activity. 2  Pain that goes away when resting and then returns when standing or during activity. 3  Pinpoint pain (pain at the site of the fracture) when touched. 4  Swelling but no bruising.