You can visit Canada from the U.S. with you passport and stay for up to 180 days without a visa. If youâd like to stay longer, apply to extend your stay at least 30 days before your time limit expires.hether youâll need a visa in Canada depends on the reason you're going. As a United States passport holder, you can visit Canada for tourism without a visa if you donât stay longer than 180 days. If you plan on any other activities during your stay, youâre likely to need a visa.
There are several possible causes of darkened urine. Urinary tract infection is the most common cause, though other types of infections, or kidney dysfunction or disease, are other potential causes. Darkened urine may be related to acute or chronic underlying diseases that affect other regions of the body.
Sometimes your urine can be a few shades darker than the usual light yellow urine. In fact, your urine can be very dark and even a different dark urine color such as red urine, brown urine, orange urine or rust urine color. The appearance of dark urine may be unsettling and cause you to question your health.ome foods may cause a dark urine color: 1  Asparagus makes dark yellow or even green urine. 2  It is usually accompanied by a stronger urine odor. 3  Beets can give you red urine. 4  The urine will be a reddish tint. 5  If your urine has more than a reddish tint, see a doctor immediately.