زبان:انگلیسی تعداد اسلاید:22 فرمت:pptx Not a ‘vampire’s’ diseaseSome symptoms of porphyrias have lead people to believe that these diseases provide some basis for vampire legends:Extreme sensitivity to sunlight AnemiaThis idea has been discarded both for scientific reasons:Porphyrias do not cause a craving for blood.Drinking blood would not help a victim of porphyria. ...