<span>A pathogen exists in the ground air and living thing but does not need them to live or reproduce. It can be a virus, protozoa, parasite, fungus, or bacterium which can cause infection to human. Some pathogens lead to the disease called malaria which is from a bacteria that released toxins in the body. However, our white blood cells can destroy these pathogens.</span>
Moods such as tension, fatigue, anger and vigor are all positively affected by exercise. Exercising can improve the way you perceive your physical condition, athletic abilities and body image. Enhanced self-esteem is another benefit.
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Post-traumatic stress disorder (PTSD) is an extreme stress response to a traumatic event that threatens your safety or makes you feel helpless. The symptoms of PTSD present as a psychiatric condition that can develop following any traumatic, life-threatening, or highly unsafe, catastrophic life experience.
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