t1larg.younger.man.tsIf you are a parent, and you notice that your child behaving is changing, you should consider drug abusing. It’s not always easy to recognize addicting behaving, even from your closest friends and family members. Those may be the warning signs of drug addiction: always providing excuses for negative behavior, sudden changes in mood, health problems in general. Very often poor condition of skin, hair, teeth, and nails may be good ¬†indicator of using drugs.