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News for 27-Apr-25 Source: MedicineNet Prevention and Wellness General Source: MedicineNet Senior Health General Source: MedicineNet Prevention and Wellness General Source: MedicineNet Prevention and Wellness General
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Anyone with a computer and modem can become an electronic publisher of medicine on the Internet, disseminating information to a global audience. While this new medium explodes with medicine information, it also poses a vexing problem: How do you evaluate the quality of the medicine information? Just because a document appears online doesn't mean it contains valid information. In fact online information demands close scrutiny. The publishing world has a long tradition of journalistic standards to which print materials are held. Although many writers and publishers adhere to these standards when publishing on the Web, many don't. It's up to you to cast a critical eye, sorting medicine fact from fiction, actuality from opinion. Whether you are reading a printed article or an electronic one, a healthy dose of skepticism is in order even when it comes to our medicine recommendations. medicine
While the threat from hackers is low for individuals, a more serious threat to personal privacy comes from unscrupulous medicine companies that operate websites for quick quids. Many medicine sites require you to register before you can use its services. Often you must provide personal information, such as your name, street address, and e-mail address. Then as you browse the site, data is collected as to which pages you visited, how long you remained on each page, the links you clicked, what terms you searched, and so on. After a number of visits to the site, a personal profile emerges. The question is, what do medicine site operators do with this information? Most claim that they use it to personalize your experience on the site. For instance, if a medicine site learns that you are interested in medicine, the next time you visit the site, you might be presented with an article or advertisements for that and related products. But some medicine websites sell this information to marketers, which means that you may find yourself receiving unwanted catalogs from garden suppliers. Our preferred retailer does not do this. What's with my Hair Falling Out !? by: Dr. Thomas S. Lee, NMD
"Yeeee gads! My hair is falling out!" This is a cry that can affect your whole family for long, awkward moments. What is it with your hair? Is it gone forever? Let's clear up some confusion and try to notch down some panic about this kind of a look in the mirror. About Hair Healthy hair simply looks good. The healthier your scalp and hair follicles, the better your hair will look. If you're starting to experience some hair loss and a general decline in the overall health of your hair and scalp, it has probably been deteriorating for a while, and you're only now seeing the effects. Hair grows in a cycle of three phases. Each individual hair is in a growth phase (anagen phase) for 2-6 years, before it enters a transition phase (catagen phase) for 1-2 weeks, and then a resting phase (telogen phase) for 5-6 weeks. After that, the hair dies and falls out. Then the follicle returns to the growth phase, and a new hair begins to grow. In normal, healthy adults, the approximate percentages of hairs in these three different phases are:
Returning your hair follicles to the anagen growth cycle is the objective of any plan to regrow healthier hair. DHT Effects On the Hair Follicle The medical term for hair loss is alopecia. This is defined as a state where 20% or more of a person's hairs are in the telogen (resting) phase. In cases of alopecia, the hair growth cycle has been altered so that the anagen (growth) phase is shortened. This results in an increased percentage of hairs in the catagen and telogen phases. The enzyme conversion of testosterone creates a compound called Di-Hydro Testosterone (DHT). The effect of DHT on the hair follicles and oil glands of the scalp can be detrimental to the anagen phase that you want to lengthen. In areas of hair thinning or loss, the follicles have more sites to which DHT can attach, and more DHT at those sites. This buildup of DHT near the follicles can shorten their growth phase and increase the numbers of hairs in the transition and resting phases. A continuation in this buildup of DHT will actually shrink the hair follicles, which causes their hairs to become thinner, weaker, and look less healthy. Reality Check: No product known today will grow a hair without a viable hair follicle. Only a healthy hair follicle can grow a hair. A healthy hair follicle can resist the negative effects of DHT buildup and continue in a normal growth cycle longer than an unhealthy one can. Hair care products that seek to lessen DHT work by binding to the same sites on the hair follicle to which DHT attaches. This blocks the abnormal response of the follicle to DHT, so it blocks the harm that is causing the weakening and loss of the hair. The nutritional supplements recommended by a naturopathic physician work by helping the body to normalize its hormone levels, while increasing the circulation of nutrients and elimination of waste products from the hair follicle. This increases the strength of the follicle and protects it from further damage. The amounts of the conversion enzymes that create DHT from testosterone, as well as the amounts of testosterone or cortisol, are thought to be genetically determined. This is why some people tend to have less of a problem with DHT than others. The good news is that a person's genetic expression (i.e., how their body is now) can be changed by what that person does in the upcoming weeks, months, and years, as well as how they do it. With advances in the scientific understandings of these physical events, you can arm yourself with the right information and learn to make the changes necessary to stop a hair loss problem. We'll next explain how. Hair Loss A variety of health conditions and environmental factors can cause hair loss. Likewise, many different approaches can be taken to stop hair loss and even grow hair back. Certainly, having great hair is important to us, but the body has many other important things to do on a continuous basis. Some are higher priorities than maintaining lustrous hair — things like breathing, eliminating waste, absorbing food, protecting itself from infections, fleeing from danger, and so forth. If the body has a limited budget of energy, nutrients, and strength, it starts to redirect its resources to the tasks it deems most important. This is fortunate for us. If stressful events occur to lower that 'budget,' the body may find it necessary to prioritize other functions more highly than hair growth. For example, if a person undergoes a series of radiation treatments to kill cancer, the treatments incur a major stress on the body. The body's first priority then becomes to live and breathe to grow nice hair another day. As a result, hair loss is often the consequence of radiation treatments. Hair regrowth after this type of trauma is possible, however, depending on the state of the hair follicles and the person's overall capacity to return to health. Naturopathic doctors call this their "vital force." Major Causes of Hair Loss Hair loss might also be caused by various types of injury to the scalp, such as burns, radiation, acid spills, or scrapes. If the follicles are destroyed and replaced by smooth skin or scar tissue, a lotion or vitamin routine won't very likely restore hair growth. At this point, it may be time for an implant, a weave, a wig, or a toupee. Or maybe it's just time to accept the reality of a lack of hair. Bald can be beautiful, too. Furthermore, various diseases, genetic tendencies, and auto-immune disorders can direct the body to neglect the health of the hair follicle, or even attack it directly. Some of these attacks might be triggered by environmental toxins, the side-effects of drugs, nutrient deficiencies, irregularities of hormone metabolism, or poor elimination of wastes. Here, we could discuss lifestyle choices and explanations of natural sciences such as nutrition, physiology, and biochemistry until your eyes glaze over. If you have been taking anti-depressive medications like Zoloft or Paxil, you should be aware that the known side-effects of these types of drugs can include hair loss. The vicious cycle of compounding one's depression by having to deal with hair loss makes these drugs a thing worth trying to avoid. Work with your doctor and be smart about your use of any medications, because many drugs have negative effects on hair growth. If you are a "stress puppy," and the slightest disruption in your plans tears you to pieces for hours or days at a time, your body's response to those stress hormones can be yet another factor in hair loss and graying. Some training in stress management or anger resolution would be your best bet, while treating the resultant hair loss with physical medicines and lotions. Sudden Hair Loss Sudden hair loss can occur after severe psycho-physical stresses like illness, childbirth, menopause, losing a job, or loss of a loved one. This type of hair loss appears within a few weeks or a month of the trauma, depending on its severity. It is often reversible with time, emotional healing, and the principles of physical support described here. Hair Loss in Women Women seldom lose their hair for reasons of genetic predisposition. They do, however, experience hair loss from the other causes we've already mentioned. In addition, women are more commonly the consumers of hair treatments which are known to damage the hair and cause breakage and thinning. Rough handling, harsh commercial shampoos, perms, hair color |
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