69 There is little evidence that specific foods actually cause acne. A body mass index (BMI) over 30 implies obesity. Look up how to calculate BMI. Menarche is the name given to the first menstrual cycle. intake: consumo pimple: brufolo rash: eruzione cutanea sore throat: mal di gola swollen: gonfio 146 ADOLESCENTS PHYSICAL PROBLEMS Adolescence is also a critical age because some physical problems may occur. Acne Acne a skin condition that causes many pimples to appear develops in both sexes, mainly on the face, as a side-effect of the influx of hormones, but stress, diet, exercise, and skin care also play a part. Other causes are sources of dirt and bacteria like mobile phones or pillows. Staying hydrated and eating a healthy diet can help improve skin condition, and spending small amounts of time in the sun can be beneficial, too. Mononucleosis Mononucleosis is a contagious disease. Typical symptoms include: extreme fatigue, fever, a sore throat, head and body aches, swollen lymph nodes in the neck and armpits, rash. Typically, this virus spreads through bodily fluids, especially saliva. There is no vaccine to protect against mononucleosis, however not kissing or sharing drinks and food with other people is a form of protection. Obesity Obesity the excessive accumulation of fat that presents a risk to health is due to complex interactions between biological, developmental, behavioural, and environmental factors. The most common cause of obesity at this age is an inequity in energy balance, i.e. an excess caloric intake without appropriate caloric expenditure. The consequences are early puberty in children, menstrual irregularities in girls, sleep disorders, and cardiovascular risk factors. Fractures The 11-15 age range is more likely to experience a break in a bone, or a fracture. In fact, the growth spurt and the number of minerals needed to keep the bones strong can t keep up with how fast the bones are growing. Most childhood fractures occur during play and sport. Menstrual disorders Girls usually get their first menstrual cycle (or period) release of blood and tissue from a woman s uterus between 10 and 15, but it can occur earlier or later; twelve is considered an average age for menarche . Menstrual disorders or conditions associated to the period include: dysmenorrhea, painful cramps during menstruation; menorrhagia, heavy bleeding or prolonged menstrual periods; premenstrual syndrome, physical and psychological symptoms occurring prior to menstruation; endometriosis, a condition resulting from the appearance of endometrial tissue outside the uterus and causing very painful menstrual cramps. Endometriosis Ovary Fallopian tube Endometrium Vagina