Monday, March 30, 2009

Causes of Hair fall


Hair loss from menopause or childbirth often returns to normal 6 months to 2 years later.For hair loss caused by illness (such as fever), radiation therapy, or medication use, no treatment is necessary. The hair will usually grow back when the illness has ended or the therapy is finished. A wig, hat, or other covering may be desired until the hair grows back.
For hair loss due to heredity, age, and hormones, the topical medication Rogaine (minoxidil) can be helpful for both male and female pattern baldness. Expect to wait 6 months before you see results. The oral medication Propecia (finasteride) is effective in some men. This medicine can decrease sex drive. When either medication is stopped, the former baldness pattern returns.
Hair transplants performed by a physician are a surgical approach to transferring growing hair from one part of the head to another. It is somewhat painful and expensive, but usually permanent.Hair weaves, hair pieces, or changes of hair style may disguise hair loss. This is generally the least expensive and safest approach to hair loss. Hair pieces should not be sutured to the scalp because of the risk of scars and infection.

Monday, March 23, 2009

Avoid Heart Diseases through Natural way

If an apple a day keeps the doctor away, what would it take to avoid a heart surgeon? How about a multivitamin + mineral pill + some omega-3 oil. Add a diet low in processed food and a good 'lifestyle' that means don't smoke, control waist size, manage stress well, do some exercises and you will improve general health and help prevent heart disease. I know, it is natural and understandable to believe you're eating a well balanced diet but there is mathematical certainty even the 'best' diet cannot get you to most vitamins levels our systems and genome developed on.

Supplementation is safe, cheap, easy, and essential and fixes those problems.
In food processing, as when making flour or noodles, we lose 60-90% of most heart healthy vitamins. We degrade proteins by frying and high heat and our factories hydrogenate oil which first zaps all omega-3 (really vitamin F-3) by trans-forming it into toxic trans fat.

Science shows that a heart healthy diet is one with relatively unprocessed foods with veggies and some fruits, and rice or grains that retain some of their original kernel-structure to slow digestion. Such whole foods became scarce in Western diets. If you can't recognize part of the original food, the item is processed or refined. Some eggs, liver or fish are probably also vital for most of us.

Monday, March 16, 2009

Basics of Diodes

Generally diodes are allowed to pass the current in a particular direction. It may be forward direction (Forward Bias) or opposite direction (Reverse Biased).Diode includes crystal and vaccum tube devices. In first radio receivers using Crystal diode .gaseous state diodes also available,its called thermionic tube appearanced to incandescent light bulbs.The recent diodes are based on semiconductor p-n junctions. In a p-n diode, conventional current can flow from the p-type side ie anode to the n-type side ie cathode, but cannot flow in the opposite direction. Another type of semiconductor diode, the Schottky diode, is formed from the contact between a metal and a semiconductor rather than by a p-n junction. The best example of semiconductor diode is Zener diode.The most application of dide is Rectification. Rectificatiion refers that alternate current (AC) can be converted into direct current(DC).

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