Feeling lonely? Discover how prolonged isolation affects your brain and body

The sensation of loneliness is complex, encompassing various aspects and extending well beyond mere sadness. It may manifest as a profound sense of void, accompanied by a significant emotional disconnection from those nearby.

Emotionally, loneliness is like a silent emptiness, where one loses existential significance, personal identity, and feels invisible or unheard. Socially, it can seem like a lack of support, friendship, and difficulties in making bonds.

Gradually, negative self-talk and overthinking begin to intensify, illustrating how loneliness grows into the cognitive realm as well.

But how does the mind process isolation on a neurological level? And since the mind and body are inherently linked in many ways, how does loneliness start to influence the body and physiology as well?

HT Lifestyle consulted with experts to gain insight into loneliness from a neurological standpoint, alongside exploring how individuals are attempting to overcome isolation.

How does loneliness affect your brain and body?

Beyond the psychological realm, loneliness arises as a significant health concern because it impacts both the neurological and physiological aspects of health.

Dr Vinit Banga, director and head of neurology at Fortis Hospital in Faridabad, explained the neurological repercussions of extended social isolation and the manner in which the brain sees loneliness as a peril, causing effects that also affect physical health.

Dr Banga described, “When any individual experiences prolonged social deprivation, the brain perceives such state as a threat and launches corresponding reactions, which lead to higher levels of cortisol, a hormone that triggers stress response and is related to the development of numerous problems, including anxiety, inflammation, and a decrease in immunity.”

The mind perceives isolation as a significant threat to survival, causing cortisol to increase, thereby activating the stress response system.

This isn't just an emotional state of feeling empty and solitary. Long-term loneliness can lead to physical issues as well. Inflammation is often a precursor to various conditions, including heart disease and metabolic ailments.

Behavioural changes occur too. The neurologist pointed out that during extended loneliness, the brain's altered perception might make people overly sensitive to social interactions, leading them to view even neutral situations negatively.

Over time, this could deepen feelings of emptiness and trigger adverse emotions like depression, a sense of inferiority, and a lack of purpose.

With loneliness becoming widespread and posing a significant risk to both mental and physical health, individuals are seeking new and innovative methods to forge connections and friendships.

Addressing the Loneliness Crisis

Loneliness is turning into an epidemic. The Harvard Graduate School of Education, following an interview with U.S. surgeon general Vivek Murthy, announced that loneliness is emerging as a ‘public health risk’ affecting both individuals and communities. Several international bodies have issued warnings regarding this pressing issue.

The World Health Organisation noted that about 16% of people globally, or one in six, experience loneliness, calling for it to be recognised as a public health challenge with strategies designed for all age brackets.

And this gap exists everywhere. Enter any space, and you might notice individuals seated together, yet engaged with their mobile devices instead of conversing with each other.

However, interestingly and somewhat ironically, the same technology often blamed for fostering isolation can also be utilised to reconnect individuals. It aids in fostering friendships and building social networks.

HT Lifestyle spoke with Shradha Chaturvedi, CEO and founder of GetCompanion, an online platform dedicated to battling loneliness, about the patterns she’s noting in how people are using technology to seek companionship and establish bonds.

Shradha highlighted a primary trend of changing intentions. Users are shifting from aimless swiping and passive chatting towards seeking authentic companionship that can result in shared real-life activities, whether it’s finding someone to converse with, learn from, play with, or just spend time together.

She shared a real-life example from the platform,"We had a senior user in Gurugram whose children live abroad. He didn’t want a social network, he simply wanted someone to play Ludo with in the evening and have a conversation over tea.

"Through us, he found a verified companion, and what started as a weekly interaction has now become part of his routine. This is the shift from random connection to reliable companionship.”

Technology essentially serves as an ‘access enabler’, acting as a bridge for people who may lack time, proximity, or social circumstances to naturally develop relationships.

Shradha further elaborated with examples of how organic relationships are formed through digital platforms, "We often see young professionals who have moved to cities like Gurgaon or Bangalore for work. They may have colleagues, but no real social circle.

"One such user found someone to go for evening walks and have casual conversations after work, something simple, yet extremely difficult to build in a new city. In this case, technology didn’t replace connection, it made it possible.”

Finally, Shradha pointed out a clear pattern where users see chat as just a starting point on any digital platform, not the endpoint.

Many naturally transition from online chats to phone calls and then to face-to-face meetings, indicating that true satisfaction is derived from shared physical interactions, not merely online conversations.