The average human can lift things that weigh much more than their bodyweight if they train to do so. If a normal, otherwise-healthy person with a healthy body composition (not overly fat) canât lift at least half their bodyweight they are simply weak and need strength training.
Mild traumatic brain injury. The signs and symptoms of mild traumatic brain injury may include: Physical symptoms. Loss of consciousness for a few seconds to a few minutes. No loss of consciousness, but a state of being dazed, confused or disoriented. Headache. Nausea or vomiting. Fatigue or drowsiness.
Symptoms vary considerably from person to person, but the essential features of PTSD include the following (description based on Helpguide 2008): 1  Re-experiencing: The most disruptive symptoms of PTSD involve flashbacks, nightmares, and intrusive memories of the traumatic event. The veteran may be flooded with horrifying images, sounds, and recollections of what happened. He or she may even feel like it is happening again.