The current coronavirus disease (COVID‐19) pandemic caused by novel severe acute
respiratory syndrome coronavirus 2 (SARS‐CoV‐2) has a male bias in severity and …

Males and females differ in both parasite load and the strength of immune responses and
these effects have been verified in humans and other vertebrates. Sex hormones act as …

Trade-offs and constraints are inherent to life, and studies of these phenomena play a
central role in both organismal and evolutionary biology. Trade-offs can be defined …

In human populations, women consistently outlive men, which suggests profound biological
foundations for sex differences in survival. Quantifying whether such sex differences are also …

Background The novel severe acute respiratory syndrome coronavirus (SARS‐CoV‐2)
disease 2019 (COVID‐19) seems to have a worse clinical course among infected men …

In the face of the Covid-19 pandemic, an intensive number of studies have been performed
to understand in a deeper way the mechanisms behind better or worse clinical outcomes …

In the last decade, the concept of animal stress has been stressed thin to accommodate the
effects of short-term changes in cell and tissue physiology, major behavioral syndromes in …

Researchers have highlighted numerous sociocultural factors that have been shown to
underpin human appearance enhancement practices, including the influence of peers …

Well‐conducted systematic reviews are invaluable for synthesising research findings. The
conclusions of a review depend on how the research question was formulated, how relevant …

Facial attractiveness has been suggested to provide signals of biological quality, particularly
health, in humans. The attractive traits that have been implicated as signals of biological …