respiratory illness

5 habits that prolong flu recovery

5 habits that prolong flu recovery

VnExpress
Lack of sleep, consuming too many processed foods, using stimulants, or insufficient hydration can weaken the immune system, making flu recovery take longer.
Can medical masks be reused?

Can medical masks be reused?

VnExpress
I use medical masks to prevent respiratory illnesses, but I take them off and put them back on without replacing them. Is this safe? (Tu Uyen, 35, Da Nang)