“精神疾病”用英语怎么说？

Feeling sad or down.

Confused thinking or reduced ability to concentrate.

Excessive fears or worries, or extreme feelings of guilt.

Extreme mood changes of highs and lows.

Withdrawal from friends and activities.

Significant tiredness, low energy or problems sleeping.

Detachment from reality (delusions), paranoia or hallucinations.

Inability to cope with daily problems or stress.

Trouble understanding and relating to situations and to people.

Problems with alcohol or drug use.

Major changes in eating habits.

Sex drive changes.

Excessive anger, hostility or violence.

Suicidal thinking.

symptoms.

Treatment.

When to see a doctor.

Helping a loved one.

Causes.

Inherited traits.

Environmental exposures before birth.

Brain chemistry.

Risk factors.

Complications.

Prevention.