Whois & Analysis for muscleandfitness.com

Nutrition is the science that interprets the interaction of nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism.

It includes food intake, absorption, assimilation, biosynthesis, catabolism and excretion.

Muscle is a soft tissue found in most animals.

Muscle cells contain protein filaments of actin and myosin that slide past one another, producing a contraction that changes both the length and the shape of the cell.

Muscles function to produce force and motion.

They are primarily responsible for maintaining and changing posture, locomotion, as well as movement of internal organs, such as the contraction of the heart and the movement of food through the digestive system via peristalsis.

Physical fitness is a general state of health and well-being and, more specifically, the ability to perform aspects of sports, occupations and daily activities.

Physical fitness is generally achieved through proper nutrition, moderate-vigorous physical exercise, and sufficient rest.

Physical exercise is any bodily activity that enhances or maintains physical fitness and overall health and wellness.

It is performed for various reasons, including increasing growth and development, preventing aging, strengthening muscles and the cardiovascular system, honing athletic skills, weight loss or maintenance, and also enjoyment.

Frequent and regular physical exercise boosts the immune system and helps prevent "diseases of affluence" such as cardiovascular disease, type 2 diabetes, and obesity.

It may also help prevent stress and depression, increase quality of sleep and act as a non-pharmaceutical sleep aid to treat diseases such as insomnia, help promote or maintain positive self-esteem, improve mental health, maintain steady digestion and treat constipation and gas, regulate fertility health, and augment an individual's sex appeal or body image, which has been found to be linked with higher levels of self-esteem.

Childhood obesity is a growing global concern, and physical exercise may help decrease some of the effects of childhood and adult obesity.

Some care providers call exercise the "miracle" or "wonder" drug—alluding to the wide variety of benefits that it can provide for many individuals.

Aside from the health advantages, these benefits may include different social rewards for staying active while enjoying the environment of one’s culture.

Many individuals choose to exercise publicly outdoors where they can congregate in groups, socialize, and appreciate life.

A dietary supplement is intended to provide nutrients that may otherwise not be consumed in sufficient quantities.