Tag Archives: sex

Is there a sexual double standard?

A sexual double standard refers to the conceptualization that men and women are judged differently relative to the same behaviors. The perception that society holds a view of evaluating women and men differently for similar behaviors (a

Sleep quality in adult population

Sleep quality is related to relevant aspects of human life, such as health, cognitive functioning or quality of life. Sleep quality is a global measure; it not only includes sleep duration but other important features of this

Sexuality and predisposition to altered states of consciousness

In 1974, Tellegen and Atkinson proposed that ‘absorption’ is a core personality trait that consists of the degree to which one becomes so attentionally absorbed in sensations and imagination that there is an alteration of the sense

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

Characteristics of adolescents requesting emergency contraception

The proportion of pregnancies that are unintended in the United States remains high, particularly among adolescents. Postcoital contraception, using either the copper intrauterine device (IUD) or emergency contraception (EC) pills, is the only option for pregnancy prevention

Eat right and exercise for sex

Would you be more likely to cut down on sweet treats, lose weight, and exercise if you thought it would improve your sex life?  Sure we know that if we eat right and exercise, our chance of

Sex pheromones attract adults to sex, larvae to safe food

For over half a century we have regarded sex pheromones as powerful lures for male insects to female of the same species, but now we discover that the same molecules are also attractive for the larvae, which

Altered states of consciousness during sex

The term ‘altered states of consciousness’ usually means states of ‘absorption’ or ‘absorbed states’. Some call them trance. They are characterized by loss of the usual sense of self, time, and space, as a result of intense

X chromosome inactivation and escape: skipping Lyon’s law causes sex differences and disease

The sex chromosomes differ between males (XY) and females (XX) in mammals. The present-day sex chromosomes evolved from a pair of look-alike progenitor chromosomes that stopped recombining once sex was determined by a gene on the Y

Neuroprotection for stroke: Progesterone treatment reduces brain mitochondrial dysfunction

Every year, six million people die from stroke and five million are left disabled. 80% of strokes are ischemic and happen when blood flow is blocked in a part of the brain, due to occlusion of brain

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

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:

What happens when (plant) sex fails?

Many plant species reproduce using sexual and asexual methods – and this can vary depending on environmental and genetic conditions. A large amount of energy goes into producing flowers and seeds for sexual reproduction, while vegetative growth

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

Proposed novel therapy for a sexually transmitted disease

Neisseria gonorrhoeae (NG) is one of the seven pathogens that cause sexually transmitted disease, also popularly known as venereal disease. The NG infections are contagious. Their prevalence is higher among women than in men, high among sexually