Then the attacks get shortness of breath, their heart beats at an accelerated rate, trembling hands, sweat, feel sick, tinnitus, and my head is only one thought: that as soon as possible to find a place where they are alone. People with social phobia lives harder.

Female nerve cells are more sensitive to the effects of the stress hormone - U.S. scientists argue in the journal Molecular Psychitary. This is why women are twice as likely to suffer from disorders caused by stress such as depression or PTSD.