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However, high amounts of persin can cause an upset stomach in dogs, and eating large amounts of persin over a longer period of time has been known to cause heart failure in dogs. [5] Large amounts of avocado flesh at once can cause vomiting and an upset stomach, and its high-fat content can cause pancreatitis in dogs. [6]
Over-supplementation of vitamins A and D can cause vitamin toxicity in dogs. [72] Excess vitamin A can cause dehydration, joint pain and can also harm the blood vessels, while too much vitamin D can cause muscular atrophy, loss of appetite and many other health-related problems.
Over time, a deficiency of B12 can cause problems with balance, confusion, depression, poor memory and possibly dementia, and it can even cause permanent damage to the nervous system, Somers says.
Pernicious anemia often presents slowly, and can cause harm insidiously and unnoticeably. Untreated, it can lead to neurological complications, and in serious cases, death. [19] The onset may be vague and slow and the condition can be confused with other conditions, and there may be few to many symptoms without anemia. [20]
Its deficiency can cause neurodevelopmental problems which can be partly reversible with early treatment. [27] Only a small subset of dementia cases have been found to be reversible with vitamin B 12 therapy. [28] Tinnitus may be associated with vitamin B 12 deficiency. [29] Vitamin B 12 deficiency may accompany certain eating disorders or ...
Many foods naturally contain B12, such as: Fish. Meat. ... the question should be “Does B12 deficiency cause weight gain” as some evidence suggests low levels of B12 may be linked to weight ...
A second major cause is an age-related decline in stomach acid production (achlorhydria), because acid exposure frees protein-bound vitamin. [12] For the same reason, people on long-term antacid therapy, using proton-pump inhibitors , [ 13 ] H 2 blockers or other antacids are at increased risk.
Atrophic gastritis can also cause intrinsic factor deficiency and anemia through damage to the parietal cells of the stomach wall. [16] Pancreatic exocrine insufficiency can interfere with normal dissociation of vitamin B 12 from its binding proteins in the small intestine, preventing its absorption via the intrinsic factor complex. [ 17 ]