5 ms·Wow, that same article says "As a reminder, you don’t need to wear a mask unless you are sick"...by 0x38B 7y agoWow, that same article says "As a reminder, you don’t need to wear a mask unless you are sick"...ardy42 7y ago> "As a reminder, you don’t need to wear a mask unless you are sick"... But of course, you may not know that you're sick... so wear a mask.avmich 7y agoMask obstructs airflow. After some hours spent without fresh air somebody gets a headache. Your mileage may vary, of course.