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How long does alcohol stay in your system?
health.howstuffworks.com/wellness/drugs-alcohol/how-long-does-alcohol-stay-in-system.htm
How long does alcohol say in your system? Find out and learn a little blood alcohol math.
The Ultimate Roller Coaster Quiz
play.howstuffworks.com/quiz/roller-coaster-quiz
Few thrills in life rival the sheer adrenaline rush of a roller coaster ride. If you're not getting on one now, make do with the ultimate roller-coaster quiz instead.
How Electronic Throttle Control Systems Work
Electronic throttle control systems are on many new cars. Visit HowStuffWorks to learn all about electronic throttle control systems.
How does the aging process affect driving ability?
health.howstuffworks.com/wellness/aging/aging-process/age-and-driving.htm
Elderly drivers can suffer from vision deterioration and slowed reaction times. Find out how age affects safe driving and how to recognize the danger signs.
Alternative Medicines for Anxiety
health.howstuffworks.com/wellness/natural-medicine/alternative/alternative-medicines-for-anxiety.htm
Alternative medicines for anxiety include meditation, homeopathy, herbal medicine, and hypnotherapy. Learn to treat anxiety.
How Male Puberty Works
health.howstuffworks.com/wellness/men/health-tips/male-puberty.htm
Male puberty marks one of the most awkward times in a boy's life. Learn what changes happen during male puberty and all about male puberty hormones.
Is it possible to completely get rid of dust mites?
health.howstuffworks.com/diseases-conditions/allergies/indoor-allergies/get-rid-of-dust-mites.htm
Is it possible to completely get rid of dust mites? Learn whether it's possible to completely get rid of dust mites to keep your family healthy.
'Latchkey Kids': What's Different About Leaving Children Home Alone Now Versus Then
health.howstuffworks.com/pregnancy-and-parenting/latchkey-kids-children-home-alone-now-then.htm
Today's latchkey kids are likelier to come from low-income families than high-income ones - a flip from the early 2000s.
Herbal Remedies for Cataracts
health.howstuffworks.com/wellness/natural-medicine/herbal-remedies/herbal-remedies-for-cataracts.htm
Read about herbal remedies for cataracts and find out what foods you can add to your diet to maintain eye health.
How Virtual Laser Keyboards Work
electronics.howstuffworks.com/gadgets/travel/virtual-laser-keyboards.htm
Virtual laser keyboards are great travel gadgets. Learn more about virtual laser keyboards at HowStuffWorks.