I thought that at first as well and I still imagine that smoking it causes more risk than eating it but the article does say this... Previous research in cell

I thought that at first as well and I still imagine that smoking it causes more risk than eating it but the article does say this... Previous research in cell cultures has shown that heart muscle cells have cannabis receptors relevant to contractility, or squeezing ability, suggesting that those receptors might be one mechanism through which marijuana use could affect the cardiovascular system.