Fragrance sensitivity: why perfumed products can cause profound health problems

An intolerance to manufactured scents can lead to migraines, respiratory issues and long-term sick leave. So should they be banned in public spaces? If you flew abroad this summer, you probably passed through an airports duty-free perfume section. Perhaps you paused to spritz yourself with an expensive scent you had no intention of buying, before making the obligatory trip to WH Smith for overpriced crisps and bottles of water. For most people, the wafting odours of perfume counters are not a problem. But, for some, the trip through duty free is a choking, cloying experience. Helsinki, Copenhagen among those offering perfume-free routes for passengers with fragrance sensitivities. Legislators are also responding to the need for fragrance-free public spaces: most hospitals …

Use of male mice skews drug research against women, study finds

Male animal bias is unjustified and can lead to drugs that work less well for women The male mind is rational and orderly while the female one is complicated and hormonal. It is a stereotype that has skewed decades of neuroscience research towards using almost exclusively male mice and other laboratory animals, according to a new study. Scientists have typically justified excluding female animals from experiments even when studying conditions that are more likely to affect women on the basis that fluctuating hormones would render the results uninterpretable. However, according to Rebecca Shansky, a neuroscientist at Northeastern University, in Boston, it is entirely unjustified by scientific evidence, which shows that, if anything, the hormones and behaviour of male rodents are …