标签：Adolescents - 英国华人论坛

What causes acne?When pores become clogged with oil and dead skin cells, bacteria called acne that are already in the pores begin to increase. This leads to pimples and cysts. There are four classifications of acne. Some people may have more...英国华人论坛

For reasons that are not well understood, there has been a trend toward an earlier age at onset of depression (and manic-depression) in people born since the 1940’s. Also, clinicians are doing a better job of looking for and recognizing dep...英国华人论坛