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Meet your hypothalamus. It probably has a lot to do with how you age

Similar to the “smart” gizmos that control our home environment (temperature, lighting, security and even turning on the coffee maker at dawn), the hypothalamus helps keep our body in balance by directly influencing the autonomic nervous system to manage our heart rate, blood pressure and body temperature. It also manages hormones that impact other bodily functions like sleep, mood, hunger, thirst, and sex drive, as well as muscle and bone growth. With aging, the hypothalamus becomes less sensitive to the wide array of neuronal signals that it coordinates in order to keep our systems in balance. Sleep problems? Blood pressure going up? Muscle mass going down? Gaining weight for no apparent…

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 The Hypothalamus: Our Unknown King

The hypothalamus, king of our body’s world, is kinda, sorta part of the brain. That is, while it’s attached to the base of the brain and referred to as part of the brain, the hypothalamus isn’t protected by the blood/brain barrier. And it’s this combination of importance and vulnerability that puts us in a world of hurt. Unless we get educated, we will probably do bad things to our hypothalamus every day.

 Your brain’s ‘master switchboard’ is an underappreciated marve

Before your most recent meal, you might have felt some hunger pangs, signaling it was time to eat. Maybe you developed a sudden craving for Italian or another cuisine. These cues did not come out of thin air—they are the work of an almond-sized region in the brain called the hypothalamus. This area of the brain, despite its tiny size, has an enormous job in keeping us alive.

Articles of Interest

An Overview of the Hypothalamus

The hypothalamus plays a significant role in the endocrine system. It is responsible for maintaining your body’s internal balance, which is known as homeostasis. To do this, the hypothalamus helps stimulate or inhibit many of your body’s key processes...

How Hypothalamus Acts As a Tiny Bodyguard with a Big Impact on Health

The hypothalamus serves as the critical link between the nervous system and the endocrine system, connecting which is responsible for hormone production. Furthermore, it receives sensory information from various parts of the body, including the digestive system, circulatory system, and sensory organs. This information is then processed by the hypothalamus, which subsequently triggers the release of specific hormones from the pituitary gland, another vital structure located at the base of the brain.

Hypothalamic Amenorrhea 101

Originally, one of my main reasons for starting this blog was to spread the word about hypothalamic amenorrhea (known as HA from here on). Of course, like the (slightly) obsessive compulsive that I am, now I'm addicted to the blogosphere (and to all you wonderful followers and readers) and wouldn't quit even if HA was as understood in the world of infertility as PCOS.

Hypothalamus 101

The hypothalamus is a critical part of the brain, and is part of the limbic system. It is connected to other parts of the central and autonomous nervous systems, and receives many inputs from the brainstem in particular.

Hypothalamus and Pituitary

The hypothalamus is a circumventricular organ that regulates a large number of autonomic processes. The hypothalamic-pituitary axis describes the complex feedback loops between these endocrine organs:

I love you from the bottom of my hypothalamus...

When you first see someone you feel attracted to, primal instincts evolved over millions of years kick in. The hypothalamus, the region of the brain that regulates basic impulses like hunger and thirst, releases a chemical called phenylethylamine (PEA). PEA leads to the release of other endogenous chemicals such as testosterone (in both men and women). Your heart races, your breathing gets faster, and your palms begin to sweat. Classic signs that you’re into someone.

Integrative Functions of the Hypothalamus: Linking Cognition, Emotion and Physiology for Well-being and Adaptability

Recent advancements in the neurobiology of the hypothalamus have elucidated its functional map, establishing a causal relationship between its responses—such as respiration, sleep, and stress—and various physiological processes. The hypothalamus facilitates and coordinates these complex processes by processing diverse stimuli, enabling the body to maintain internal balance and respond effectively to external demands.

Know your brain: Hypothalamus

The hypothalamus is a collection of nuclei with a variety of functions. Many of the important roles of the hypothalamus involve what can be referred to as the two H's: Homeostasis and Hormones.

Scientists Discover 'Reset' Button For Brain's Biological Clock

The biological clock is located in the brain's suprachiasmatic nucleus (SCN) -- a tiny region within the hypothalamus, a section of the brain that controls hormone production. The SCN maintains a 24-hour cycle of rest and activity that helps us figure out when we should be eating and sleeping. The cycle is also linked to biological activities like hormone regulation, brain wave activity and cell regeneration. And while these rhythms are regulated in the brain, they're affected by external cues like light and temperature.

Scientists discover how the brain’s hypothalamus controls ageing – and manage to slow it down

If you are reading this and you don’t smoke, then your major risk factor for dying is probably your age. That’s because we have nearly eliminated mortality in early life, thanks to advances in science and engineering. But despite this progress, we still haven’t worked out how to eliminate the damaging effects of ageing itself.

Small and mighty: The hypothalamus

If you pause for a second and think about the activities that occupy most of your day, presumably sleeping, eating, and engaging in social interactions are among the first that come to your mind. Perhaps surprisingly, a small area buried deep inside the brain, called the hypothalamus, is responsible for coordinating neuronal signals related to these activities. By controlling the homeostasis of the neuroendocrine, limbic, and autonomic nervous systems, the hypothalamus is a key brain region for many physiological and pathological processes. Despite its small size, the hypothalamus has a complex cellular organization and circuitry that determine its structural and functional organization. It is composed of 11 nuclei grouped by their location and has vast, mostly bidirectional connections with many neuronal and endocrine systems.

The Hypothalamus

The hypothalamus creates hormones to help stimulate or inhibit many different bodily functions in order to monitor and maintain the body’s internal balance (homeostasis). The hypothalamus also serves as a bridge between other systems of the body, including the nervous and endocrine systems, as it receives and processes information about the body, including the following:

The Hypothalamus is involved in locomotion? Complex dopamine circuitry uncovered

The hypothalamus is a brain structure that is often referred to as a smart control center of your body. By controlling and coordinating hormones and/or nervous system signaling it functions to regulate physiological parameters such as sleep, mood, body temperature, hunger/thirst, blood pressure, and other parameters that contribute to homeostasis. The hypothalamus gets chemical messages from nerve cells in your brain as well as nerve cells throughout your body (your peripheral nervous system), which is also responsive to signals from outside your body.

What Happens When You Hit Your Hypothalamus (and What to Do About It)

Hypothalamic damage can devastate your health, from altered hormones and metabolism to personality changes. Diagnosis can be challenging due to its tricky symptoms, but understanding what causes it and what treatments are available can help you recognize the signs early on and seek help immediately.

What Is the Hypothalamus?

The hypothalamus is deeply involved in the control of feeding and energy expenditure. It responds to metabolic cues and regulates energy homeostasis, which is crucial for maintaining body weight and metabolic health. For instance, hypothalamic inflammation and oxidative stress are associated with obesity and aging, indicating its role in energy balance and metabolic regulation1 2. The hypothalamus also interacts with other brain regions to modulate responses to glucose and insulin, which are vital for energy regulation.

Resources

Hope for Hypothalamic Hamartomas

Hope for Hypothalamic Hamartomas (Hope for HH) is a volunteer-based nonprofit organization founded by parents of children with hypothalamic hamartomas (HH). Our goal is to create a single, credible source for information about the diagnosis, treatment, and support of individuals with HH. Every family touched by this rare disorder has a unique and often heart-breaking story of how they attained a correct diagnosis.

KenHub

The hypothalamus is the principal visceral control center of the brain and mediates a broad range of functions via its connections with the endocrine, autonomic (visceral motor), somatic motor, and limbic systems, maintaining a state of homeostasis. Despite its small size of roughly 0.3% of the brain volume,

StatPearls

The hypothalamus is the region in the ventral brain which coordinates the endocrine system. It receives many signals from various regions of the brain and in return, releases both releasing and inhibiting hormones, which then act on the pituitary gland to direct the functions of the thyroid gland, adrenal glands, and reproductive organs and to influence growth, fluid balance, and milk production. It is also involved in the non-endocrine functions of temperature regulation, regulation of the autonomic nervous system, and the control of appetite.

You & Your Hormones

One of the major functions of the hypothalamus is to maintain homeostasis, ie, to keep the human body in a stable, constant condition.