Vincent Massey. The Right Honourable Vincent Massey (1952-1959) With Vincent Massey's appointment as Governor General, a new tradition began â he was the first Canadian appointed to the post, and from that day the Governor General has always been a Canadian citizen.
A small gas leak in your home can be difficult to detect. Low-level exposure to natural gas can cause mild headaches and a feeling of breathlessness when you exert yourself during physical activities. Headaches and breathlessness can also be caused by a variety of other issues, including allergies or illness.
Symptoms of CO poisoning. A headache is the most common symptom of mild carbon monoxide poisoning. Other symptoms include: 1  dizziness. 2  nausea (feeling sick) and vomiting. 3  tiredness and confusion. 4  stomach pain. 5  shortness of breath and difficulty breathing.