There's a good article in the New York Times this morning about recent discoveries on the causes of gray hair. Whether one gets gray hair prematurely or late in life doesn't seem to have anything to do with a stressful or stressless life but is mostly due to genetics.

It's also interesting that scientists have looked, but have not found a link between going gray and real aging in the body. People who get gray hair earlier than their peers do not die any sooner. Gray hair (and baldness) has very little to do with premature aging.

Check out Unlocking the Secrets of Gray Hair.

Photo via ClareMarie

Here are four long hairstyles for spring by Vidal Sasoon. Model Lee Hyori shows off the “purely straight,” “preppy straight”, “candy wave” and the “go-go wave”.

Via PopSeoul.

Congrats to Katie at Before and After TV. Her video tutorial on how to wave your hair to get the Britney Spears look was featured on the official Britney Spears channel.

Katie tells us she's had thousands of views since last night when her video was posted on Britney's official website. It feels glowingly surreal to have a celebrity-inspired makeover tutorial endorsed by the actual celebrity - and in this case the most popular and top-searched internet celebrity of all time!

Congrats Katie.

Hair extensions can lead to permanent baldness. Recent research published in the British Journal of Dermatology concludes that this problem may be much more common than has been reported.

According to the Daily Mail;

Dermatologists say the extensions, which are attached to a person's real hair by glue, weaving or braiding, put such tension on follicles in the scalp that they can become inflamed causing hair to fall out - a condition known as traction alopecia.

Last night, hair experts called for a ban on the popular accessory...

See more of the story at The Daily Mail.

The photo above is by dno1967 at Flickr.

Here's a video tutorial showing how to get Christina Aguilera's hairstyle. Katie Stiles shows us how to curl hair with a ceramic flat iron on this beautiful friend who looks like Christina Aguilera.

Dorothy is a natural dark blonde, but her dyed hair was becoming more and more blonde with each visit to the hairdresser.

A few days ago she decided to switch to brunette. She prefers her new look and makes some interesting anthropological observations about how men and women now treat her quite differently.

Read her Blond to Brunette story here.

The unrelated blond photo here is by nyki_m

More women are cutting and coloring their hair at home in an attempt to save money.

Procter & Gamble has seen a 20% increase in sales of their home hair coloring product Nice-n-Easy and double-digit sales growth for its Head & Shoulders brand.

Some women are ditching their $120 haircuts and trying out $15 cuts at Supercut. See the story at the Los Angeles Times.

Different face shapes will look better in certain hairstyles.

The Hairstyle Secrets Revealed blog has a good summary of the most common face shapes and tips about which hair styles would suit your face depending on whether your face shape is oval, round, square, long, pear-shaped or heart-shaped.

The face pictured here would be considered a 'long face'.

Check out the fun video below showing what Sarah Palin might look like if she changed her hairstyle to match one hundred different celebrities.

Also see a tutorial on how to get Palin's updo look.

Here's a video by Katie Stiles showing how you can easitly curl your long hair into a style inspired by Miley Cyrus. Rachelle, who we saw in an earlier Miley Cyrus makeup video, is the beautiful model for this do-it-yourself hairstyling instructional tutorial.