Tag Archives: male

Why is anxiety more common in women? Investigating sex differences in threat and safety learning

Anxiety-related disorders like post-traumatic stress disorder (PTSD) are up to twice as common in women as in men but the reasons behind this remain unclear. People with PTSD often experience negative emotions like fear when reminded of

Male infertility and dental health status: the missing link?

More than 48.5 million couples worldwide are unable to conceive, and at least 40-50% of the cases are associated with male factor infertility (MFI), affecting approximately 31 million men worldwide. MFI is defined as alterations in sperm

Human brains do not belong to two distinct types: ‘female brains’ and ‘male brains’

Sex categories – whether one has female or male genitalia – are fundamental for reproduction. They are also one of the most important categories that shape the social world. No surprise then that scientists and the general

Males who take citicoline show increased motor speed and attention

Citicoline is marketed as a nutritional supplement in the United States and has been shown to influence cellular metabolism in the brain and to contribute to the synthesis of essential neurotransmitters including acetylcholine and dopamine. Citicoline is

Distinguish males and females using the mandibular canine tooth

Rao and collaborators developed a methodology based on the mandibular canine to estimate the sex of an individual. Using this methodology, called mandibular canine index (MCI), the authors proposed a cut-value above which the subjects should be

How tree frogs keep their Y chromosomes healthy

Sex chromosomes are the pair of chromosomes that fate whether we become male or female. Females carry two X chromosomes, while males carry one X and one Y chromosome. These chromosomes are quite special among the genome:

Differences between male and female cyclists’ performances under the acute influence of alcohol

It is well-known that the average man and the average woman possess different performances, which can depend on the demanded task or physical peculiarities, e.g. average body fat resp. muscle mass or average height. If one takes

Adapting sperm RNA as a fertility diagnostic for the male

Infertility is a global public health issue affecting about 13 percent of couples of reproductive age. After one year of unprotected intercourse, couples having difficulties to conceive often seek reproductive care. Known causes of infertility are typically