"I encourage my acne patients to exercise regularly and try to keep stress down, especially when there is a planned event."

Some experts at the Food and Drug Administration and the Centers for Disease Control have said that the drug is overprescribed to many acne patients who can use less dangerous alternatives.

Inflammation is really critical; studies are showing that even on the skin of acne patients where one doesn't see acne, there are inflammatory factors on a molecular level.

We need better research in this area, but in the future we might see diet used for regulating and treating acne patients.

Doctors treating acne patients may also want to take stressful conditions into account in deciding when to time a change in prescription, she said.

She noted that some acne patients responded well to biofeedback, which is intended to reduce stress.

Bremner's research used PET brain imaging to show a decrease in frontal lobe brain function in acne patients treated with Accutane (isotretinoin).

Your Answer: Correct Answer: Dermatologists caution acne patients against using products that can irritate the skin - including ordinary astringents, toners, and exfoliators that contain scrubbing particles.

He said that in Sweden, the drug was not approved for marketing, but acne patients can receive it if their doctors make a special request to the government and justify their need for it.

For now, Margolis says doctors and patients have to consider the "risks vs. the benefits of using long-term oral antibiotics in acne patients."