Your Brain slams into the side of your skull basically
concussions are mostly caused when something hits your back of your head.The force needs to be at least 50 miles per hour or if something hits you for head.
'Scurvy' is a disease caused by the lack of vitamin C ,
Three illness that can be caused by poor hand hygiene are: Blastocystis, Crytosporidiosis, Trichinosis.
Colitis is not related to diverticulosis. Colitis is due to inflammation of the colon and diverticulosis is due to high intra luminal pressure causing diverticulum in the colon, and is caused by constipation from inadequate roughage in the diet.
Condensation is not addressed by any certain material. It is caused by excess moisture in the air and inadequate air circulation. You need to dehumidify the air and increase ventilation. See the related link for more information.
Malnutrition is a general term for a medical condition caused by an improper or inadequate diet and nutrition. (Wikipedia) For the source and more detailed information concerning your request, click on the related links section (Wikipedia) indicated at the bottom of this answer box.
The sounds are caused by the oscillations of the frequency changing from positive to negative when voltage is applied to electrical equipment.See related links below.