As part of our new Ask 2 series, the newsroom will answer your questions about all things Houston. Question: What kind of documentation do you need to carry if you physically or mentally cannot wear a mask? What classifies a medical exemption for the mandatory mask order? A report shares that health experts say legitimate medical conditions such as chronic asthma and chronic obstructive pulmonary disease make it more difficult to breathe while wearing a mask. Health experts warn that falsely claiming to have a disability to avoid wearing a mask is harmful to people who actually face medical conditions.