"In addition, loneliness has been found to raise levels of stress, impede sleep and, in turn, harm the body. Loneliness can also augment depression or anxiety."
Research has linked social isolation and loneliness to higher risks for a variety of physical and mental conditions: high blood pressure, heart disease, obesity, a weakened immune system, anxiety, depression, cognitive decline, Alzheimer's disease, and even death.
Your nervous system goes into fight-or-flight mode, making it harder to sleep. When you're lonely, research shows that your brain can produce an excess of norepinephrine, a hormone that's a crucial “signal during the fight or flight response.” Loneliness can feel, to our social selves, like dire straits.
Poor social relationships (characterized by social isolation or loneliness) was associated with a 29% increased risk of heart disease and a 32% increased risk of stroke. Loneliness was associated with higher rates of depression, anxiety, and suicide.
If you're lonely, you may feel sad, empty, or as if you're lacking something important when you spend time by yourself. Chronic loneliness can also involve the following symptoms: decreased energy. feeling foggy or unable to focus.
Loneliness is associated with higher blood pressure and heart disease — it literally breaks our hearts. A 2015 meta-review of 70 studies showed that loneliness increases the risk of your chance of dying by 26 percent.
Highlights. Loneliness was associated with posttraumatic stress symptoms at both time points. Social loneliness was longitudinally associated with posttraumatic stress symptoms. Emotional loneliness was longitudinally associated with posttraumatic stress symptoms.
"Lacking encouragement from family or friends, those who are lonely may slide into unhealthy habits," Valtorta says. "In addition, loneliness has been found to raise levels of stress, impede sleep and, in turn, harm the body. Loneliness can also augment depression or anxiety."
Feeling lonely can also have a negative impact on your mental health, especially if these feelings have lasted a long time. Some research suggests that loneliness is associated with an increased risk of certain mental health problems, including depression, anxiety, low self-esteem, sleep problems and increased stress.
What causes loneliness? There is not one single cause of loneliness. Loneliness can often be a result of life changes or circumstances that include living alone, changing your living arrangements, having financial problems, or death of a loved one.
"Loneliness can change the neurochemistry of the brain, turning off the dopamine neurons, which trigger the reward response, and causing some degeneration in the brain when the reward response is not activated," says Katherine Peters, MD, PhD, FAAN, associate professor of neurology and neurosurgery at Duke University.
Loneliness is toxic
Loneliness has clear consequences for mental health, aggravating anxiety, depression, and stress-related symptoms. Additionally, it sabotages our physical health. According to two leading researchers, loneliness triggers an inflammatory response and threatens our immune system.
People who spend more time alone and feel lonely regularly have an increased risk of heart disease and stroke, according to Heart. The analysis of 181,000 adults discovered that loneliness, social isolation or both were linked to a 29 percent higher risk of heart attack and a 32 percent greater risk of stroke.
Some of the most common causes of loneliness include: Social Anxiety, Isolation, Difficulty with Assertiveness, and Poor Self-awareness. Common types or forms of loneliness include: Lack of Physical Connection, Lack of Common Interests, Lack of Shared Values, Lack of Emotional Intimacy, and Lack of Self-Intimacy.
Three profiles of people at particular risk from loneliness were identified: Widowed older homeowners living alone with long-term health conditions. Unmarried, middle-agers with long-term health conditions. Younger renters with little trust and sense of belonging to their area.
Reasons People Self-Isolate
People self-isolate for these reasons as well: “being embarrassed” “not feeling understood, or feeling different or disconnected from others” “feelings of worthlessness, self-doubt, and helplessness”
Solitude improves psychological well-being.
But solitary skills could be help you become mentally stronger. Studies have found people who set aside time to be alone tend to be happier. They report better life satisfaction and lower levels of stress. They're also less likely to have depression.
Everyone needs social connections to survive and thrive. But as people age, they often find themselves spending more time alone. Being alone may leave older adults more vulnerable to loneliness and social isolation, which can affect their health and well-being.
Research shows that people who like spending time alone, and are unafraid of being single, are especially unlikely to be neurotic. According to research, people who like spending time alone, and are unafraid of being single, are more likely than others to be open-minded.
If you're experiencing loneliness, it's essential to seek help. Join a local support group, talk to a close friend or family member, start a new hobby, or try working with a professional therapist or coach.
Psychologists generally consider loneliness to be a stable trait, meaning that individuals have different set-points for feeling loneliness, and they fluctuate around these set-points depending on the circumstances in their lives.
Being alone can help you build mental strength.
But, solitude may be just as important. Studies show the ability to tolerate alone time has been linked to increased happiness, better life satisfaction, and improved stress management. People who enjoy alone time experience less depression.