Odorous substances in the air are processed through the following steps: 1. What Part of the Brain Is Most Responsible for Smell? There are several and important parts of the brain that are responsible for smell; however, the olfactory bulb is responsible for transmitting the olfactory (smell) information from the olfactory nerves to the brain…
Mental health issues can be prevented or significantly reduced by ensuring that the foods we eat contain the following nutrients: 1. Omega3 1.1. What Are Omega3 Fatty Acids Good For? Omega-3 fatty acids are essential for the metabolism of lipid in our body and that can only be provided by the diet. Omega-3 fatty acids…
Emotionally unstable personality disorder or borderline personality disorder (BPD) is a personality disorder that affects impulse control, interpersonal relationships, and self-image. BPD is characterized by emotional dysregulation, impulsive aggression, repeated self-injury, and chronic suicidal tendencies. The prevalence of BPD is estimated to be 1.6% in the general population and 20% in the inpatient psychiatric population [1]. It…
Chronic fatigue syndrome (CFS) or myalgic encephalomyelitis (ME) is an illness characterized by profound disabling tiredness, a diminished capacity to perform routine tasks, and sleep disruption that lasts for more than 6 months. Epidemiology of Chronic Fatigue Syndrome Based on prevalence estimates from the institute of medicine, chronic fatigue syndrome affects around 0.2-2.6% of the…
Short-term memory (STM) is the ability of the mind to consciously store, maintain, and manipulate phonological (speech sound), spatial, and visual information for limited periods of time. Therefore, STM contributes to the learning of new information and aspects of speech comprehension and production. However, STM loss is observed during aging (after 55 years of age)…
The gut flora (microbiota) plays an important role in human health through their metabolic function in breaking down ingested food to provide nutrients to cells and organs of the body. However, some of the products of this metabolism have been associated with carcinogenic processes, such as tumor promotion (ammonia, secondary bile acids), mutagenesis (fecapenaenes), and…
Depression is a mental state characterized by psychological symptoms such as low mood and self-esteem, irritability and intolerance to others, difficulty in making decisions, anxiety, and suicidal thoughts. Physically, it is manifested by slow movement and speech, lack of energy, unexplained aches and pains, lack of energy, and sleep disturbance. Depression can be caused by…
Aging is the natural process of getting old and is characterized by physiological changes that affect the cardiovascular, osteomuscular, digestive, and urinary systems. Memory and thinking skills, sexuality, and weight are also affected by this process. However, with the advances in genetic techniques, several research groups have shown that single genes can have a dramatic…
White matter is parts of the brain that comprise myelinated axons, while grey matter comprises neurons bodies, axon terminals, dendrites, and synapses. Myelin that covers the white matter axons is essential for the fast transmission of electrical signals to the grey matter nerve cells, and therefore, plays a key role in learning and brain function…
The gut flora (microbiota) plays an important role in human health through their metabolic function in breaking down ingested food to provide nutrients to cells and organs of the body. Among the metabolic products that are generated by the gut flora, proteins are critical for the function of the nervous system, such as serotonin, which…
