Mister called upon the "sprinkle" can create a good feeling for you, but the repeated this action will cause the ligaments around the neck and muscles become injured more easily. In addition, the neck action causes wear and tear of joints and leads to arthritis over time. In these rare cases, the breaking of the neck can trigger a stroke.
Will not the big story when you bite your nails when watching a horror movie, but if it becomes a regular habit, it can harm both your nails and the skin around them. Germs from your mouth are transferred to the skin of the hands and vice versa. Bacteria under the nails can "emigrate" to the mouth, causing infection of the gums and throat.
Eardrum vibrating function to sound conduction and protects the ear from infection. Very thin eardrums, thus very susceptible to puncture, may be due to infections such as ear infections or injury due to improper ears look.
However the eardrum can also heal, if perforation due to infection then after treatment most infections of the eardrum will heal back after a few weeks, if due to injury, punctured hole wide, time will heal longer, can usually after 6-8 weeks. The most important is the need to keep the toilet clean, avoid the infection at this stage, this is the necessary and sufficient conditions to eardrum heals soon.
The licking of lips at stress caused them to be "exposed" the digestive enzymes. The abbreviations this enzyme the skin, causing skin inflammation and inflammation of the lips, making them dry and chapped. Bite your lip when stress can lead to the formation of polyps need to conduct surgery to cut away.
Like biting fingernails, gnawed the cheeks become a habit when stressed. In part of the cheek is often hyped so prone to gnaw. Repeating this action will cause chronic inflammation, even blood.=