No erections at 45 is defined as erectile dysfunction of the penis at the age of 45, and there is no such thing as what to eat to get better fast. Penile erectile dysfunction is usually categorized into psychogenic erectile dysfunction and organic erectile dysfunction. Different causes are treated in different ways, as follows. 1. Mental erectile dysfunction, if it is due to the pressure of work and life, excessive inner tension, fear of sexual intercourse and so on. Usually it can be recovered by itself after relieving pressure and psychological intervention. 2. Organic erectile dysfunction is mainly treated for organic problems, such as erectile dysfunction caused by low androgen secretion, trauma, high blood pressure and so on. (1) Low androgen secretion: the treatment is mainly to supplement androgen. Oral medications that can be prescribed include testosterone undecanoate, which is used for erectile dysfunction caused by low androgen secretion. There are also drugs that act on the peripheral system. Currently commonly used drugs such as sildenafil, a small dose of the drug can significantly improve the patient’s penile erection. Drugs that act on the center are commonly used, such as yohimbine and trazodone. Yohimbine is currently the treatment of erectile dysfunction, the longest application of drugs. (2) Trauma: Trauma to the corpus cavernosum of the penis leads to erectile dysfunction, and the corpus cavernosum of the penis can be repaired or replaced by surgery. (3) Hyperglycemia: distal vascular disorder caused by hyperglycemia and so on, leading to congestion and erectile dysfunction, mainly applying metformin and other drugs to control blood sugar. There are many other causes of impotence, it is recommended to go to the hospital in time for treatment under the guidance of doctors.