Social media is full of claims that everyday habits can harm your skin. It’s also full of recommendations or advertisements for products that can protect you.

Now social media has blue light from our devices in its sights.

So can scrolling on our phones really damage your skin? And will applying creams or lotions help?

Here’s what the evidence says and what we should really be focusing on.

Remind me, what actually is blue light?

Blue light is part of the visible light spectrum. Sunlight is the strongest source. But our electronic devices – such as our phones, laptops and TVs – also emit it, albeit at levels 100-1,000 times lower.

Seeing as we spend so much time using these devices, there has been some concern about the impact of blue light on our health, including on our eyes and sleep.

Now, we’re learning more about the impact of blue light on our skin.

How does blue light affect the skin?

The evidence for blue light’s impact on skin is still emerging. But there are some interesting findings.

1. Blue light can increase pigmentation

Studies suggest exposure to blue light can stimulate production of melanin, the natural skin pigment that gives skin its colour.

So too much blue light can potentially worsen hyperpigmentation – overproduction of melanin leading to dark spots on the skin – especially in people with darker skin.

2. Blue light can give you wrinkles

Some research suggests blue light might damage collagen, a protein essential for skin structure, potentially accelerating the formation of wrinkles.

A laboratory study suggests this can happen if you hold your device one centimetre from your skin for as little as an hour.

However, for most people, if you hold your device more than 10cm away from your skin, that would reduce your exposure 100-fold. So this is much less likely to be significant.

3. Blue light can disrupt your sleep, affecting your skin

If the skin around your eyes looks dull or puffy, it’s easy to blame this directly on blue light. But as we know blue light affects sleep, what you’re probably seeing are some of the visible signs of sleep deprivation.

We know blue light is particularly good at suppressing production of melatonin. This natural hormone normally signals to our bodies when it’s time for sleep and helps regulate our sleep-wake cycle.

By suppressing melatonin, blue light exposure before bed disrupts this natural process, making it harder to fall asleep and potentially reducing the quality of your sleep.

The stimulating nature of screen content further disrupts sleep. Social media feeds, news articles, video games, or even work emails can keep our brains active and alert, hindering the transition into a sleep state.

Long-term sleep problems can also worsen existing skin conditions, such as acne, eczema and rosacea.

Sleep deprivation can elevate cortisol levels, a stress hormone that breaks down collagen, the protein responsible for skin’s firmness. Lack of sleep can also weaken the skin’s natural barrier, making it more susceptible to environmental damage and dryness.

Can skincare protect me?

The beauty industry has capitalised on concerns about blue light and offers a range of protective products such as mists, serums and lip glosses.

From a practical perspective, probably only those with the more troublesome hyperpigmentation known as melasma need to be concerned about blue light from devices.

This condition requires the skin to be well protected from all visible light at all times. The only products that are totally effective are those that block all light, namely mineral-based suncreens or some cosmetics. If you can’t see the skin through them they are going to be effective.

But there is a lack of rigorous testing for non-opaque products outside laboratories. This makes it difficult to assess if they work and if it’s worth adding them to your skincare routine.

What can I do to minimise blue light then?

Here are some simple steps you can take to minimise your exposure to blue light, especially at night when it can disrupt your sleep:

• use the “night mode” setting on your device or use a blue-light filter app to reduce your exposure to blue light in the evening
• minimise screen time before bed and create a relaxing bedtime routine to avoid the types of sleep disturbances that can affect the health of your skin
• hold your phone or device away from your skin to minimise exposure to blue light
• use sunscreen. Mineral and physical sunscreens containing titanium dioxide and iron oxides offer broad protection, including from blue light.

In a nutshell

Blue light exposure has been linked with some skin concerns, particularly pigmentation for people with darker skin. However, research is ongoing.

While skincare to protect against blue light shows promise, more testing is needed to determine if it works.

For now, prioritise good sun protection with a broad-spectrum sunscreen, which not only protects against UV, but also light.

Michael Freeman, Associate Professor of Dermatology, Bond University

This article is republished from The Conversation under a Creative Commons license. Read the original article.

The holiday season is meant to be filled with joy, connection and celebration of rituals. Many people, however, are starkly reminded of their grief this time of year and of whom – or what – they have lost.

The added stress of the holiday season doesn’t help. Studies show that the holidays negatively affect many people’s mental health.

While COVID-19-related stressors may have lessened, the grief from change and loss that so many endured during the pandemic persists. This can cause difficult emotions to resurface when they are least expected.

I am a licensed therapist and trauma-sensitive yoga instructor. For the last 12 years, I’ve helped clients and families manage grief, depression, anxiety and complex trauma. This includes many health care workers and first responders who have recounted endless stories to me about how the pandemic increased burnout and affected their mental health and quality of life.

I developed an online program that research shows has improved their well-being. And I’ve observed firsthand how much grief and sadness can intensify during the holidays.

Post-pandemic holidays and prolonged grief

During the pandemic, family dynamics, close relationships and social connections were strained, mental health problems increased or worsened, and most people’s holiday traditions and routines were upended.

Those who lost a loved one during the pandemic may not have been able to practice rituals such as holding a memorial service, further delaying the grieving process. As a result, holiday traditions may feel more painful now for some. Time off from school or work can also trigger more intense feelings of grief and contribute to feelings of loneliness, isolation or depression.

Sometimes feelings of grief are so persistent and severe that they interfere with daily life. For the past several decades, researchers and clinicians have been grappling with how to clearly define and treat complicated grief that does not abate over time.

In March 2022, a new entry to describe complicated grief was added to the Diagnostic and Statistical Manual of Mental Disorders, or DSM, which classifies a spectrum of mental health disorders and problems to better understand people’s symptoms and experiences in order to treat them.

This newly defined condition is called prolonged grief disorder. About 10% of bereaved adults are at risk, and those rates appear to have increased in the aftermath of the pandemic.

People with prolonged grief disorder experience intense emotions, longing for the deceased, or troublesome preoccupation with memories of their loved one. Some also find it difficult to reengage socially and may feel emotionally numb. They commonly avoid reminders of their loved one and may experience a loss of identity and feel bleak about their future. These symptoms persist nearly every day for at least a month. Prolonged grief disorder can be diagnosed at least one year after a significant loss for adults and at least six months after a loss for children.

I am no stranger to complicated grief: A close friend of mine died by suicide when I was in college, and I was one of the last people he spoke to before he ended his life. This upended my sense of predictability and control in my life and left me untangling the many existential themes that suicide loss survivors often face.

How grieving alters brain chemistry

Research suggests that grief not only has negative consequences for a person’s physical health, but for brain chemistry too.

The feeling of grief and intense yearning may disrupt the neural reward systems in the brain. When bereaved individuals seek connection to their lost loved one, they are craving the chemical reward they felt before their loss when they connected with that person. These reward-seeking behaviors tend to operate on a feedback loop, functioning similar to substance addiction, and could be why some people get stuck in the despair of their grief.

One study showed an increased activation of the amygdala when showing death-related images to people who are dealing with complicated grief, compared to adults who are not grieving a loss. The amygdala, which initiates our fight or flight response for survival, is also associated with managing distress when separated from a loved one. These changes in the brain might explain the great impact prolonged grief has on someone’s life and their ability to function.

Recognizing prolonged grief disorder

Experts have developed scales to help measure symptoms of prolonged grief disorder. If you identify with some of these signs for at least one year, it may be time to reach out to a mental health professional.

Grief is not linear and doesn’t follow a timeline. It is a dynamic, evolving process that is different for everyone. There is no wrong way to grieve, so be compassionate to yourself and don’t make judgments on what you should or shouldn’t be doing.

Increasing your social supports and engaging in meaningful activities are important first steps. It is critical to address any preexisting or co-occurring mental health concerns such as anxiety, depression or post-traumatic stress.

It can be easy to confuse grief with depression, as some symptoms do overlap, but there are critical differences.

If you are experiencing symptoms of depression for longer than a few weeks and it is affecting your everyday life, work and relationships, it may be time to talk with your primary care doctor or therapist.

A sixth stage of grief

I have found that naming the stage of grief that someone is experiencing helps diminish the power it might have over them, allowing them to mourn their loss.

For decades, most clinicians and researchers have recognized five stages of grief: denial/shock, anger, depression, bargaining and acceptance.

But “accepting” your grief doesn’t sit well for many. That is why a sixth stage of grief, called “finding meaning,” adds another perspective. Honoring a loss by reflecting on its meaning and the weight of its impact can help people discover ways to move forward. Recognizing how one’s life and identity are different while making space for your grief during the holidays might be one way to soften the despair.

When my friend died by suicide, I found a deeper appreciation for what he brought into my life, soaking up the moments he would have enjoyed, in honor of him. After many years, I was able to find meaning by spreading mental health awareness. I spoke as an expert presenter for suicide prevention organizations, wrote about suicide loss and became certified to teach my local community how to respond to someone experiencing signs of mental health distress or crisis through Mental Health First Aid courses. Finding meaning is different for everyone, though.

Sometimes, adding a routine or holiday tradition can ease the pain and allow a new version of life, while still remembering your loved one. Take out that old recipe or visit your favorite restaurant you enjoyed together. You can choose to stay open to what life has to offer, while grieving and honoring your loss. This may offer new meaning to what – and who – is around you.

If you need emotional support or are in a mental health crisis, dial 988 or chat online with a crisis counselor.

Mandy Doria, Assistant Professor of Psychiatry, University of Colorado Anschutz Medical Campus

This article is republished from The Conversation under a Creative Commons license. Read the original article.