Various kinds of fragrances are around us. And it is believed they tend to make us feel more attractive. But if someone says that the cologne you wear can make you sick would you believe it? Well you might have to. As many as one in three people experience symptoms including headaches asthma and rashes due to a sensitivity to fragrances according to research cited in 'The Case against Fragrance' by author Kate Grenville. Meanwhile a previous study in 2014 found that three quarters of women with migraines caused by odours said perfume was the lead cause reports The Independent.