Hair is one of the most defining characteristics of any mammal.  Our hair is a keratin filament that grows. Hair also grow from follicles scattered throughout our bodies, and there are numerous factors that could affect normal hair growth. Some of these factors include androgen's, nutrition as well as our genetic material. 

What are androgens?

Androgen is a male hormone. Both men and women produce this hormone, but obviously in different amounts. The principal androgens are testosterone and androstenedione. These are present in much higher levels in men and play an important role in male traits and reproductive  activity.  

Hair growth

There has always been a parallel connection between our bodily aging  process and the growth of hair. There are three stages of hair growth. The Anagen, catagen and telogon phases. Once a cycle is complete it restarts and a new strand of hair begins to form.    

Can you make your hair grow faster?

Hair grows at about 1.25 centimeter per month or 15 centimeter per  year. Ironically to grow your hair, you need to cut your hair every ten to twelve weeks.  

If you can prevent split ends and use good conditioner, that might help with hair growth and also taking a good vitamin supplement, but other than that you just have to wait it out.  It takes time to grow your  hair. 

                     

When do our hair turn grey or white?

All hair is originally white. It gets a pigment, called melanin, through specialized cells called melanocytes. Melanocytes are mature melanin forming cells typically in the skin. We get our hair color, when these cells pump a pigment into the hair follicles.  

Melanin has two predominant types. Dark pigment and light  pigment.  These combine in various proportions and produce a huge range of hair structures.  The combination is mainly determined by our genes.  Melanocytes start their secretion even before our birth, and that function regresses with age. It keeps on decreasing and after the age of thirty, decreases function by ten to twenty percent.  Why and how the function lessens is a complete mystery.  

Some scientists believe that our hair follicles have a ‘melanogenic clock’  that regulates hair pigmentation with age and hence, minimizes it with aging. Grey hair is a precursor of white hair, and contains less or no melanin at all due to inactive melanocytes. 

Genes and DNA plays an important role in hair color.  So if you are turning grey at a young age, you should blame it on your parents. 

                   

What causes baldness?

The cause of baldness is mainly due to genetics. Male pattern baldness is once again associate by the male sex hormones called androgens. It usually has no medical ill effects, so if you are losing hair at an alarming rate, then there might be an underlying medical cause and you should go and see a doctor.   

                    

Why is everyone so unhappy with their hair?

Some people always complain about their hair. If they have curly hair, they want straight hair and if they have straight hair they want curly hair. 

The mere fact that you even have hair should be a blessing!   

There are so many promising hair products out there, but none of them really works. Make sure to wash your hair at least twice a week. (Yes,that is enough) and use a good conditioner.  Also be sure to eat enough healthy foods, and take in your prescribed vitamins per day, to ensure proper hair- health. 

If you are healthy your hair should be healthy!  

Here are some nutritious foods that you can eat to keep your hair healthy.    

• Spinach.
• Greek yogurt.
• Salmon.
• Cinnamon.
• Oatmeal.
• Guava.
• Eggs.
• Lentils

                                

One good thing about hair is that it grows  out again. Should you have a hair disaster, chances are that you will  have proper hair again soon. Just wait it out.

 

       

Image source 1,2,3,4

Resources:

https://en.wikipedia.org/wiki/Human_hair_growth 

http://www.cosmopolitan.com/style-beauty/beauty/advice/a36065/tricks-for-growing-your-hair-really-really-long/ 

http://gaizupath.com/what-causes-white-hair/