Motorola offered one of the first car radios, which retailed for about $130. Philco also introduced an early head unit around that time. When inflation is taken into account, $130 translates to a price tag of about $1,800. Keep in mind that this was the era of the Model T, and you could buy an entire car for around two to three times the asking price of Motorolaâs first car radio.
Menstrual migraine is triggered in susceptible women by fluctuating estrogen levels, usually a decrease in estrogen level just prior to menses. Hormonal changes can also cause sleep disturbance, anxiety, depression, mood changes and irritability. ...Read more.
Causes of hormonal imbalance. The most common imbalance is an excess of estrogen compared to progesterone which is known as estrogen dominance, this can obviously be caused by the body making too much estrogen or you may have normal estrogen but not enough progesterone.