Some people are allergic to cats dead skin or fur or saliva for some people and even it urine can make someone have an allergic reaction.
Hope this helps.
Increase? If you think of Shane Koyzcan's poem of "When I was a Kid" he states, 'I get altitude sickness just for standing up for myself'
Answer:
yes
Explanation:
mah Opinion says Yes because it Is natural and it happens to many people