Category: H
Headache
Headache disorders can be divided into primary and secondary types. A secondary headache is one caused by an underlying disease or physiologic condition. Primary headaches are not symptomatic of another condition. They are among the commonest human afflictions. Tension-type headache has a lifetime prevalence of 78%, and migraine, 16%. Secondary headaches are much less common: [...]
Harm Reduction
Harm reduction is a set of strategies that encourages an individual to reduce the harm caused by a high-risk behavior. Harm reduction is not a new concept in public health since high-risk behaviors—also known as “bad habits,” depending upon the era—have always existed and will continue to exist. What changes is how society views the [...]
Hair Removal
Excessive growth of facial or body hair (hirsutism) in women can be profoundly distressing, and is often perceived as loss of femininity. The psychological ramifications of excess hair growth in women cannot be overstated. Hirsutism is defined as the presence of excess hair growth in a male distribution including the chin, sideburns, and above the [...]
Hair Loss
The portion of hair that is seen is called the hair shaft. That which is below the surface of skin is the follicle. During our lifetime, each hair follicle undergoes repeated cycles of growth, rest, and regeneration. Hair loss can occur due to disturbances of the hair cycle, damage to the hair shaft, or disorders [...]
Hair Care
Feeling positive about our appearance helps us to feel positive in other areas of our lives. Our hair speaks volumes about us—from the color to the cut and ultimately the style that we choose. Beautiful, healthy, chic hair can be a reality for everyone. It simply requires a little attention, the inclusion of a few [...]