The majority of men will experience baldness eventually – studies suggest that around 85% of males are affected by it by the time they have their fiftieth birthday, which is why finasteride is such good news. There are several steps you can take to prevent or reverse baldness.

Note: Ensure to seek medical advice from a qualified doctor before beginning any treatment or medication.


What is it?

Finasteride is a prescription-only medication that blocks DHT, a hormone associated with baldness. It is generally taken as a 1mg tablet once a day, and is FDA approved to treat baldness. Initially, most people’s hair loss stops in its tracks. After a few years, your hair can even grow back thicker. However, as soon as you stop taking it, hair loss will start to occur again.


How it works

It blocks enzyme 5-alpha reductase, responsible for turning testosterone into DHT. In doing so, it creates a significant decrease in DHT levels in the blood and scalp. Lower DHT levels help the hair to grow naturally. Finasteride 1mg is effective at decreasing DHT by around 70%, and in doing so helps to prevent hair loss.


Side effects

The most common side effects of this drug are:

  • Hair shedding (this is actually a sign the drug is working properly!)
  • Dizziness & light-headedness
  • Cold sweats
  • Chills
  • Confusion
  • Weakened sex drive
  • Inability to get or maintain an erection

Most of these symptoms should pass. In rare instances, finasteride may lead to PFS, a syndrome which can cause long-term sexual dysfunctions, depression, anxiety and fatigue.



Research has suggested that 90% of men who take this medication regrow their hair or have no more hair loss after 5 years (though it usually takes far less time than this). Around 50% of men have an increase of hair growth, 40% don’t have any new hair loss, and the final 10% lost some hair. This makes it very highly effective compared to a placebo.


How to get the best results

Getting the best results with finasteride involves being committed. It doesn’t work immediately, and you might get a few side effects initially. Because it takes a while to work, you should keep taking it for 3 months (unless you experience serious side effects). And remember, if you stop taking the drug, hair loss will resume.

Thankfully, the pill is pretty easy to take. To make it easier to remember, try setting a reminder on your phone at the same time each day.


Hair transplantation

Finasteride can also be used in conjunction with a hair transplant. This is often done because the drug is not as effective at the front of the scalp, but a transplant is. Surgical restoration of the hair at the front tends to offer the most cosmetic benefit. The drug shines at improving hair loss at the back of the scalp, where hair transplants don’t often work too well. So by combining the two methods, you could get much better hair growth results.

If you find out you cannot take the drug, or decide you don’t want to because of the potential side effects, getting a hair transplantation is pretty much just as effective. However, the drug prevents more hair loss from occurring, whilst the surgery doesn’t.

In short, you don’t need the drug, but it can help.

If you’re curious to learn more, speak to your doctor about whether finasteride is right for you. And if you need something even stronger for treating male pattern baldness, your doctor might be able to prescribe you a combination of this drug and minoxidil.


A 3D building printer is a machine that can build houses by depositing a material (e.g., concrete) layer by layer. 3D printing of concrete – aka “Construction 4.0” – is a 3D printing technology similar to that used by 3D FFF (molten wire deposition) printers. Paste material, in this case, concrete or sludge, is pushed through a nozzle to form layers. In the building sector, 3D printing of concrete saves time, money and raw materials .

Indeed, only the frame of the house is built; other items, such as windows, electricity or plumbing, must be installed separately. 3D concrete printers, however, can be used to print bridges, benches, or just outdoor decorations.

To provide a comprehensive overview of the 3D printer market for construction, we have identified 12 3D home printing solutions.


Here we will elaborate on how 3D printers can print houses in 3D through the extrusion of dough.

The technology used for 3D printing of houses

3D printers in the house use extrusion technology. Some 3D building printers resemble FFF / FDM desktop 3D printers (Gantry or Gantry type), while others consist of a mechanical arm swiveling on itself.

In both cases, pasty material such as concrete is used as filament. The content is pushed through a special nozzle to form layers. Simply put, the extrusion of dough can be compared to the use of a pastry bag to spread icing on a cake.

Ecological: 3D printed homes can be built with organic and environmentally friendly materials. In addition, some 3D concrete printers use solar energy and generate low CO2 emissions.

Affordable : 3D home printers can build inexpensive homes with organic materials, which holds great promise for regions of the world affected by poverty or natural disasters.

Economies of scale : 3D home printing reduces some construction costs. Thus, the price of a square meter of the wall is about $ 75 with traditional construction methods, while it can go down to $ 27 with the Apis Cor 3D printer.

Effective : Because the materials needed for 3D home printing are printed on demand, machines produce less waste. In addition, 3D construction printers can finish the foundations of a home in a few days, while traditional construction methods take weeks or even months.

Flexible : With a 3D concrete printer, it’s easy to create curved walls and unique façades. (Fortunately, it is possible to print furniture in 3D so that they are adapted to curves!)

Limitations of 3D building printing

Costly initial investment: The price of a home 3D printer can reach up to a million dollars.

Partial Construction: 3D home printers only build the building’s frame. The 3D printing process is usually interrupted to install plumbing, electricity, and rebar manually.

Uneven exterior surface: Most exterior surfaces of 3D printed houses are not as smooth as those of traditional homes.

Lack of certification: construction sites are regulated by law. There are many important safety standards to follow, which can be difficult with 3D printing techniques (variable repeatability, dimensional stability, etc.).