No it isn't contagious. You cannot get it from another person, or pass it onto another person1
Psoriasis is an autoimmune disease that is hereditary, so there is a chance that you could pass it onto your children1
Unfortunately there's no cure. But with proper treatment and management, psoriasis need not take over your life1
Giving your skin limited sunlight can slow cell turnover, which helps to reduce scaling and inflammation, thereby reducing the symptoms of psoriasis4 However, you should only spend a short amount of time in the sun as too much of it can cause sunburn, which can worsen psoriasis. Always apply sunblock4,10
Physical activity is important to your overall health, especially so if you have psoriasis, as it helps you maintain a healthy weight and lowers the risk of other diseases11
Yes you can, in fact, you'll be less likely to have a flare-up after swimming. Saltwater pools are preferable to chlorinated ones, and naturally occurring salt water (ocean) is even better.10 Ensure you protect your lesions with mineral oil or petroleum jelly beforehand, and always shower after swimming10
Your doctor or dermatologist is best positioned to advise you. It is important that you follow all your healthcare provider's instructions to manage your condition effectively and avoid damaging your skin