Being underweight can result in infertility, anemia, osteoporosis, and a less effective immune system, so in short, yes it can be as big of a problem as being over weight. Check out this site for more details: http://weightgain.lifetips.com/cat/61224/health-risks-of-being-underweight/index.html
NOTICE: The information provided on this site is not a substitute for professional medical advice,
diagnosis, or treatment. Never delay or disregard seeking professional medical advice from your
physician or other qualified health provider because of something you have read on Wellsphere.
If you have a medical emergency, call your doctor or 911 immediately.